diff --git a/CHANGELOG.md b/CHANGELOG.md
index 130f094..cce8bce 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,15 @@
-# Head
+# 2.0.0 - 2016-10-28
 
-- Added: `Wotbox` webcrawler verifier.
+- Added: `Odnoklassniki LLC` webcrawler verifier.
+- Added: `Turnitin LLC` webcrawler verifier.
+- Added: `Wotbox Team` webcrawler verifier.
+- Added: `Validator.w3.org` webcraler verifiers.
+- Added: `IBM Germany Research And Development GmbH` webcrawler verifier.
+- Added: `InactiveVerifier` for inactive webcrawlers.
+- Changed: rename all verifier by official company name.
+- Changed: remove suffix `Webcrawler` from all webcrawler verifiers.
 - Chore: refactoring `Range` helper. Use `ip` first, second `allowedRange`.
+- Fixed: best signature for `User-agent` webcrawlers.
 
 # 1.2.0 - 2016-10-27
 
diff --git a/src/DNS/HostVerifier.php b/src/DNS/HostVerifier.php
index 3c5d2c3..07eae9d 100644
--- a/src/DNS/HostVerifier.php
+++ b/src/DNS/HostVerifier.php
@@ -5,7 +5,7 @@
 
 class HostVerifier
 {
-    public static function verify($host, $allowedHostNames)
+    public static function verify($host, array $allowedHostNames)
     {
         return !!array_filter($allowedHostNames, function ($validHost) use ($host) {
             return StringHelper::endsWith($validHost, $host) !== false;
diff --git a/src/DNS/ReverseVerifier.php b/src/DNS/ReverseVerifier.php
index 8b4eee1..020b783 100644
--- a/src/DNS/ReverseVerifier.php
+++ b/src/DNS/ReverseVerifier.php
@@ -3,7 +3,7 @@
 
 class ReverseVerifier
 {
-    public static function verify($ip, $allowedHostNames)
+    public static function verify($ip, array $allowedHostNames)
     {
         $host = gethostbyaddr($ip);
         $ipAfterLookup = gethostbyname($host);
diff --git a/src/Helper/Range.php b/src/Helper/Range.php
index 201a3c5..3adf69c 100644
--- a/src/Helper/Range.php
+++ b/src/Helper/Range.php
@@ -6,7 +6,7 @@
 
 class Range
 {
-    public static function inRange($ip, $ranges = [])
+    public static function inRange($ip, array $ranges = [])
     {
         $verified = false;
 
diff --git a/src/Webcrawler/AppleWebcrawlerVerifier.php b/src/Webcrawler/AppleIncVerifier.php
similarity index 77%
rename from src/Webcrawler/AppleWebcrawlerVerifier.php
rename to src/Webcrawler/AppleIncVerifier.php
index c5e7f82..76a1927 100644
--- a/src/Webcrawler/AppleWebcrawlerVerifier.php
+++ b/src/Webcrawler/AppleIncVerifier.php
@@ -1,9 +1,9 @@
 <?php
 namespace WebcrawlerVerifier\Webcrawler;
 
-use WebcrawlerVerifier\DNS\ReverseVerifier as ReverseVerifier;
+use WebcrawlerVerifier\DNS\ReverseVerifier;
 
-class AppleWebcrawlerVerifier implements WebcrawlerVerifierInterface
+class AppleIncVerifier implements VerifierInterface
 {
     protected $allowedHostNames = ['apple.com'];
 
diff --git a/src/Webcrawler/BaiduWebcrawlerVerifier.php b/src/Webcrawler/BaiduVerifier.php
similarity index 66%
rename from src/Webcrawler/BaiduWebcrawlerVerifier.php
rename to src/Webcrawler/BaiduVerifier.php
index cc23942..cf49748 100644
--- a/src/Webcrawler/BaiduWebcrawlerVerifier.php
+++ b/src/Webcrawler/BaiduVerifier.php
@@ -1,9 +1,9 @@
 <?php
 namespace WebcrawlerVerifier\Webcrawler;
 
-use WebcrawlerVerifier\DNS\ReverseVerifier as ReverseVerifier;
+use WebcrawlerVerifier\DNS\HostVerifier;
 
-class BaiduWebcrawlerVerifier implements WebcrawlerVerifierInterface
+class BaiduVerifier implements VerifierInterface
 {
     protected $allowedHostNames = ['baidu.com', 'baidu.jp'];
 
@@ -15,6 +15,6 @@ class BaiduWebcrawlerVerifier implements WebcrawlerVerifierInterface
      */
     public function verify($ip)
     {
-        return ReverseVerifier::verify($ip, $this->allowedHostNames);
+        return HostVerifier::verify(gethostbyaddr($ip), $this->allowedHostNames);
     }
 }
diff --git a/src/Webcrawler/BegunWebcrawlerVerifier.php b/src/Webcrawler/BegunVerifier.php
similarity index 88%
rename from src/Webcrawler/BegunWebcrawlerVerifier.php
rename to src/Webcrawler/BegunVerifier.php
index 9297061..091e1b6 100644
--- a/src/Webcrawler/BegunWebcrawlerVerifier.php
+++ b/src/Webcrawler/BegunVerifier.php
@@ -3,7 +3,7 @@
 
 use WebcrawlerVerifier\DNS\HostVerifier;
 
-class BegunWebcrawlerVerifier implements WebcrawlerVerifierInterface
+class BegunVerifier implements VerifierInterface
 {
     protected $allowedHostNames = ['begun.ru'];
 
diff --git a/src/Webcrawler/ExaleadWebcrawlerVerifier.php b/src/Webcrawler/DassaultSystemesVerifier.php
similarity index 77%
rename from src/Webcrawler/ExaleadWebcrawlerVerifier.php
rename to src/Webcrawler/DassaultSystemesVerifier.php
index fe991fb..4a3ed85 100644
--- a/src/Webcrawler/ExaleadWebcrawlerVerifier.php
+++ b/src/Webcrawler/DassaultSystemesVerifier.php
@@ -1,9 +1,9 @@
 <?php
 namespace WebcrawlerVerifier\Webcrawler;
 
-use WebcrawlerVerifier\DNS\ReverseVerifier as ReverseVerifier;
+use WebcrawlerVerifier\DNS\ReverseVerifier;
 
-class ExaleadWebcrawlerVerifier implements WebcrawlerVerifierInterface
+class DassaultSystemesVerifier implements VerifierInterface
 {
     protected $allowedHostNames = ['exabot.com'];
 
diff --git a/src/Webcrawler/DeusuWebcrawlerVerifier.php b/src/Webcrawler/DeusuVerifier.php
similarity index 78%
rename from src/Webcrawler/DeusuWebcrawlerVerifier.php
rename to src/Webcrawler/DeusuVerifier.php
index 17097aa..26522f1 100644
--- a/src/Webcrawler/DeusuWebcrawlerVerifier.php
+++ b/src/Webcrawler/DeusuVerifier.php
@@ -1,9 +1,9 @@
 <?php
 namespace WebcrawlerVerifier\Webcrawler;
 
-use WebcrawlerVerifier\DNS\ReverseVerifier as ReverseVerifier;
+use WebcrawlerVerifier\DNS\ReverseVerifier;
 
-class DeusuWebcrawlerVerifier implements WebcrawlerVerifierInterface
+class DeusuVerifier implements VerifierInterface
 {
     protected $allowedHostNames = ['deusu.de', 'mschoebel.de'];
 
diff --git a/src/Webcrawler/GoogleWebcrawlerVerifier.php b/src/Webcrawler/GoogleIncVerifier.php
similarity index 78%
rename from src/Webcrawler/GoogleWebcrawlerVerifier.php
rename to src/Webcrawler/GoogleIncVerifier.php
index b12b3ad..edb9584 100644
--- a/src/Webcrawler/GoogleWebcrawlerVerifier.php
+++ b/src/Webcrawler/GoogleIncVerifier.php
@@ -1,9 +1,9 @@
 <?php
 namespace WebcrawlerVerifier\Webcrawler;
 
-use WebcrawlerVerifier\DNS\ReverseVerifier as ReverseVerifier;
+use WebcrawlerVerifier\DNS\ReverseVerifier;
 
-class GoogleWebcrawlerVerifier implements WebcrawlerVerifierInterface
+class GoogleIncVerifier implements VerifierInterface
 {
     protected $allowedHostNames = ['google.com', 'googlebot.com'];
 
diff --git a/src/Webcrawler/GrapeshotWebcrawlerVerifier.php b/src/Webcrawler/GrapeshotLimitedVerifier.php
similarity index 87%
rename from src/Webcrawler/GrapeshotWebcrawlerVerifier.php
rename to src/Webcrawler/GrapeshotLimitedVerifier.php
index d878d88..fd3c440 100644
--- a/src/Webcrawler/GrapeshotWebcrawlerVerifier.php
+++ b/src/Webcrawler/GrapeshotLimitedVerifier.php
@@ -3,7 +3,7 @@
 
 use WebcrawlerVerifier\Helper\Range;
 
-class GrapeshotWebcrawlerVerifier implements WebcrawlerVerifierInterface
+class GrapeshotLimitedVerifier implements VerifierInterface
 {
     protected $allowedRanges = ['89.145.95.0/24'];
 
diff --git a/src/Webcrawler/IBMGermanyResearchAndDevelopmentGmbHVerifier.php b/src/Webcrawler/IBMGermanyResearchAndDevelopmentGmbHVerifier.php
new file mode 100644
index 0000000..9820040
--- /dev/null
+++ b/src/Webcrawler/IBMGermanyResearchAndDevelopmentGmbHVerifier.php
@@ -0,0 +1,29 @@
+<?php
+namespace WebcrawlerVerifier\Webcrawler;
+
+use WebcrawlerVerifier\Helper\Range;
+
+class IBMGermanyResearchAndDevelopmentGmbHVerifier implements VerifierInterface
+{
+    protected $allowedRanges = [
+        '206.253.224.*',
+        '194.153.113.*',
+        '206.253.225.*',
+        '206.253.226.*',
+        '2001:1be0:1000:160:0:0:0:0/64',
+        '2001:1be0:1000:167:0:0:0:0/64',
+        '2001:1be0:1000:168:0:0:0:0/64',
+        '2001:1be0:1000:169:0:0:0:0/64'
+    ];
+
+    /**
+     * Checks whether the given IP address really belongs to a valid host or not
+     *
+     * @param $ip string the IP address to check
+     * @return bool true if the given IP belongs to any of the valid hosts, otherwise false
+     */
+    public function verify($ip)
+    {
+        return Range::inRange($ip, $this->allowedRanges);
+    }
+}
diff --git a/src/Webcrawler/InactiveVerifier.php b/src/Webcrawler/InactiveVerifier.php
new file mode 100644
index 0000000..90029f1
--- /dev/null
+++ b/src/Webcrawler/InactiveVerifier.php
@@ -0,0 +1,16 @@
+<?php
+namespace WebcrawlerVerifier\Webcrawler;
+
+class InactiveVerifier implements VerifierInterface
+{
+    /**
+     * Checks whether the given IP address really belongs to a valid host or not
+     *
+     * @param $ip string the IP address to check
+     * @return bool true if the given IP belongs to any of the valid hosts, otherwise false
+     */
+    public function verify($ip)
+    {
+        return false;
+    }
+}
diff --git a/src/Webcrawler/SteelerWebcrawlerVerifier.php b/src/Webcrawler/KitsuregawaLaboratoryTheUniversityOfTokyoVerifier.php
similarity index 85%
rename from src/Webcrawler/SteelerWebcrawlerVerifier.php
rename to src/Webcrawler/KitsuregawaLaboratoryTheUniversityOfTokyoVerifier.php
index 23461ff..b309394 100644
--- a/src/Webcrawler/SteelerWebcrawlerVerifier.php
+++ b/src/Webcrawler/KitsuregawaLaboratoryTheUniversityOfTokyoVerifier.php
@@ -3,7 +3,7 @@
 
 use WebcrawlerVerifier\Helper\Range;
 
-class SteelerWebcrawlerVerifier implements WebcrawlerVerifierInterface
+class KitsuregawaLaboratoryTheUniversityOfTokyoVerifier implements VerifierInterface
 {
     protected $allowedRanges = ['157.82.156.129-157.82.156.254'];
 
diff --git a/src/Webcrawler/SeznamWebcrawlerVerifier.php b/src/Webcrawler/LinkedInIncVerifier.php
similarity index 69%
rename from src/Webcrawler/SeznamWebcrawlerVerifier.php
rename to src/Webcrawler/LinkedInIncVerifier.php
index f7948ab..6caad83 100644
--- a/src/Webcrawler/SeznamWebcrawlerVerifier.php
+++ b/src/Webcrawler/LinkedInIncVerifier.php
@@ -1,11 +1,11 @@
 <?php
 namespace WebcrawlerVerifier\Webcrawler;
 
-use WebcrawlerVerifier\DNS\ReverseVerifier as ReverseVerifier;
+use WebcrawlerVerifier\DNS\ReverseVerifier;
 
-class SeznamWebcrawlerVerifier implements WebcrawlerVerifierInterface
+class LinkedInIncVerifier implements VerifierInterface
 {
-    protected $allowedHostNames = ['seznam.cz'];
+    protected $allowedHostNames = ['linkedin.com'];
 
     /**
      * Checks whether the given IP address really belongs to a valid host or not
diff --git a/src/Webcrawler/MailRUWebcrawlerVerifier.php b/src/Webcrawler/MailRuGroupVerifier.php
similarity index 77%
rename from src/Webcrawler/MailRUWebcrawlerVerifier.php
rename to src/Webcrawler/MailRuGroupVerifier.php
index 4c20ff0..16cdc6c 100644
--- a/src/Webcrawler/MailRUWebcrawlerVerifier.php
+++ b/src/Webcrawler/MailRuGroupVerifier.php
@@ -1,9 +1,9 @@
 <?php
 namespace WebcrawlerVerifier\Webcrawler;
 
-use WebcrawlerVerifier\DNS\ReverseVerifier as ReverseVerifier;
+use WebcrawlerVerifier\DNS\ReverseVerifier;
 
-class MailRUWebcrawlerVerifier implements WebcrawlerVerifierInterface
+class MailRuGroupVerifier implements VerifierInterface
 {
     protected $allowedHostNames = ['mail.ru'];
 
diff --git a/src/Webcrawler/BingWebcrawlerVerifier.php b/src/Webcrawler/MicrosoftCorporationVerifier.php
similarity index 78%
rename from src/Webcrawler/BingWebcrawlerVerifier.php
rename to src/Webcrawler/MicrosoftCorporationVerifier.php
index 2d7dd16..7122d1d 100644
--- a/src/Webcrawler/BingWebcrawlerVerifier.php
+++ b/src/Webcrawler/MicrosoftCorporationVerifier.php
@@ -1,9 +1,9 @@
 <?php
 namespace WebcrawlerVerifier\Webcrawler;
 
-use WebcrawlerVerifier\DNS\ReverseVerifier as ReverseVerifier;
+use WebcrawlerVerifier\DNS\ReverseVerifier;
 
-class BingWebcrawlerVerifier implements WebcrawlerVerifierInterface
+class MicrosoftCorporationVerifier implements VerifierInterface
 {
     protected $allowedHostNames = ['search.msn.com'];
 
diff --git a/src/Webcrawler/SputnikWebcrawlerVerifier.php b/src/Webcrawler/OJSCRostelecomVerifier.php
similarity index 77%
rename from src/Webcrawler/SputnikWebcrawlerVerifier.php
rename to src/Webcrawler/OJSCRostelecomVerifier.php
index e7ed01b..1145002 100644
--- a/src/Webcrawler/SputnikWebcrawlerVerifier.php
+++ b/src/Webcrawler/OJSCRostelecomVerifier.php
@@ -1,9 +1,9 @@
 <?php
 namespace WebcrawlerVerifier\Webcrawler;
 
-use WebcrawlerVerifier\DNS\ReverseVerifier as ReverseVerifier;
+use WebcrawlerVerifier\DNS\ReverseVerifier;
 
-class SputnikWebcrawlerVerifier implements WebcrawlerVerifierInterface
+class OJSCRostelecomVerifier implements VerifierInterface
 {
     protected $allowedHostNames = ['sputnik.ru'];
 
diff --git a/src/Webcrawler/OdnoklassnikiLLCVerifier.php b/src/Webcrawler/OdnoklassnikiLLCVerifier.php
new file mode 100644
index 0000000..f7b12de
--- /dev/null
+++ b/src/Webcrawler/OdnoklassnikiLLCVerifier.php
@@ -0,0 +1,20 @@
+<?php
+namespace WebcrawlerVerifier\Webcrawler;
+
+use WebcrawlerVerifier\DNS\HostVerifier;
+
+class OdnoklassnikiLLCVerifier implements VerifierInterface
+{
+    protected $allowedHostNames = ['odnoklassniki.ru'];
+
+    /**
+     * Checks whether the given IP address really belongs to a valid host or not
+     *
+     * @param $ip string the IP address to check
+     * @return bool true if the given IP belongs to any of the valid hosts, otherwise false
+     */
+    public function verify($ip)
+    {
+        return HostVerifier::verify(gethostbyaddr($ip), $this->allowedHostNames);
+    }
+}
diff --git a/src/Webcrawler/SeznamCzASVerifier.php b/src/Webcrawler/SeznamCzASVerifier.php
new file mode 100644
index 0000000..b7824c4
--- /dev/null
+++ b/src/Webcrawler/SeznamCzASVerifier.php
@@ -0,0 +1,20 @@
+<?php
+namespace WebcrawlerVerifier\Webcrawler;
+
+use WebcrawlerVerifier\DNS\HostVerifier;
+
+class SeznamCzASVerifier implements VerifierInterface
+{
+    protected $allowedHostNames = ['seznam.cz'];
+
+    /**
+     * Checks whether the given IP address really belongs to a valid host or not
+     *
+     * @param $ip string the IP address to check
+     * @return bool true if the given IP belongs to any of the valid hosts, otherwise false
+     */
+    public function verify($ip)
+    {
+        return HostVerifier::verify(gethostbyaddr($ip), $this->allowedHostNames);
+    }
+}
diff --git a/src/Webcrawler/IstellaWebcrawlerVerifier.php b/src/Webcrawler/TiscaliItaliaSpaVerifier.php
similarity index 77%
rename from src/Webcrawler/IstellaWebcrawlerVerifier.php
rename to src/Webcrawler/TiscaliItaliaSpaVerifier.php
index d8d6c34..3546262 100644
--- a/src/Webcrawler/IstellaWebcrawlerVerifier.php
+++ b/src/Webcrawler/TiscaliItaliaSpaVerifier.php
@@ -1,9 +1,9 @@
 <?php
 namespace WebcrawlerVerifier\Webcrawler;
 
-use WebcrawlerVerifier\DNS\ReverseVerifier as ReverseVerifier;
+use WebcrawlerVerifier\DNS\ReverseVerifier;
 
-class IstellaWebcrawlerVerifier implements WebcrawlerVerifierInterface
+class TiscaliItaliaSpaVerifier implements VerifierInterface
 {
     protected $allowedHostNames = ['istella.it'];
 
diff --git a/src/Webcrawler/TurnitinLLCVerifier.php b/src/Webcrawler/TurnitinLLCVerifier.php
new file mode 100644
index 0000000..1a13735
--- /dev/null
+++ b/src/Webcrawler/TurnitinLLCVerifier.php
@@ -0,0 +1,24 @@
+<?php
+namespace WebcrawlerVerifier\Webcrawler;
+
+use WebcrawlerVerifier\Helper\Range;
+
+class TurnitinLLCVerifier implements VerifierInterface
+{
+    // https://www.turnitin.com/robot/crawlerinfo.html
+    protected $allowedRanges = [
+        '38.111.147.69-38.111.147.94',
+        '199.47.82.133-199.47.82.254'
+    ];
+
+    /**
+     * Checks whether the given IP address really belongs to a valid host or not
+     *
+     * @param $ip string the IP address to check
+     * @return bool true if the given IP belongs to any of the valid hosts, otherwise false
+     */
+    public function verify($ip)
+    {
+        return Range::inRange($ip, $this->allowedRanges);
+    }
+}
diff --git a/src/Webcrawler/TwitterWebcrawlerVerifier.php b/src/Webcrawler/TwitterIncVerifier.php
similarity index 88%
rename from src/Webcrawler/TwitterWebcrawlerVerifier.php
rename to src/Webcrawler/TwitterIncVerifier.php
index 5d358a3..be762bf 100644
--- a/src/Webcrawler/TwitterWebcrawlerVerifier.php
+++ b/src/Webcrawler/TwitterIncVerifier.php
@@ -3,7 +3,7 @@
 
 use WebcrawlerVerifier\Helper\Range;
 
-class TwitterWebcrawlerVerifier implements WebcrawlerVerifierInterface
+class TwitterIncVerifier implements VerifierInterface
 {
     // https://dev.twitter.com/cards/troubleshooting
     protected $allowedRanges = ['199.16.156.0/22', '199.59.148.0/22'];
diff --git a/src/Webcrawler/ValidatorW3OrgVerifier.php b/src/Webcrawler/ValidatorW3OrgVerifier.php
new file mode 100644
index 0000000..3e002a6
--- /dev/null
+++ b/src/Webcrawler/ValidatorW3OrgVerifier.php
@@ -0,0 +1,20 @@
+<?php
+namespace WebcrawlerVerifier\Webcrawler;
+
+use WebcrawlerVerifier\Helper\Range;
+
+class ValidatorW3OrgVerifier implements VerifierInterface
+{
+    protected $allowedRanges = ['128.30.52.0/24'];
+
+    /**
+     * Checks whether the given IP address really belongs to a valid host or not
+     *
+     * @param $ip string the IP address to check
+     * @return bool true if the given IP belongs to any of the valid hosts, otherwise false
+     */
+    public function verify($ip)
+    {
+        return Range::inRange($ip, $this->allowedRanges);
+    }
+}
diff --git a/src/Webcrawler/WebcrawlerVerifierInterface.php b/src/Webcrawler/VerifierInterface.php
similarity index 69%
rename from src/Webcrawler/WebcrawlerVerifierInterface.php
rename to src/Webcrawler/VerifierInterface.php
index 7f1c38a..9fc5cd4 100644
--- a/src/Webcrawler/WebcrawlerVerifierInterface.php
+++ b/src/Webcrawler/VerifierInterface.php
@@ -1,7 +1,7 @@
 <?php
 namespace WebcrawlerVerifier\Webcrawler;
 
-interface WebcrawlerVerifierInterface
+interface VerifierInterface
 {
     public function verify($ip);
 }
diff --git a/src/Webcrawler/SearchmeWebcrawlerVerifier.php b/src/Webcrawler/WotboxTeamVerifier.php
similarity index 87%
rename from src/Webcrawler/SearchmeWebcrawlerVerifier.php
rename to src/Webcrawler/WotboxTeamVerifier.php
index b374161..b8b1e57 100644
--- a/src/Webcrawler/SearchmeWebcrawlerVerifier.php
+++ b/src/Webcrawler/WotboxTeamVerifier.php
@@ -3,7 +3,7 @@
 
 use WebcrawlerVerifier\Helper\Range;
 
-class SearchmeWebcrawlerVerifier implements WebcrawlerVerifierInterface
+class WotboxTeamVerifier implements VerifierInterface
 {
     protected $allowedRanges = ['94.199.151.22'];
 
diff --git a/src/Webcrawler/YahooWebcrawlerVerifier.php b/src/Webcrawler/YahooIncVerifier.php
similarity index 78%
rename from src/Webcrawler/YahooWebcrawlerVerifier.php
rename to src/Webcrawler/YahooIncVerifier.php
index 818c8e2..75003d0 100644
--- a/src/Webcrawler/YahooWebcrawlerVerifier.php
+++ b/src/Webcrawler/YahooIncVerifier.php
@@ -1,9 +1,9 @@
 <?php
 namespace WebcrawlerVerifier\Webcrawler;
 
-use WebcrawlerVerifier\DNS\ReverseVerifier as ReverseVerifier;
+use WebcrawlerVerifier\DNS\ReverseVerifier;
 
-class YahooWebcrawlerVerifier implements WebcrawlerVerifierInterface
+class YahooIncVerifier implements VerifierInterface
 {
     protected $allowedHostNames = ['crawl.yahoo.net', 'yse.yahoo.net'];
 
diff --git a/src/Webcrawler/YandexWebcrawlerVerifier.php b/src/Webcrawler/YandexLLCVerifier.php
similarity index 78%
rename from src/Webcrawler/YandexWebcrawlerVerifier.php
rename to src/Webcrawler/YandexLLCVerifier.php
index d43267a..5e7bbdc 100644
--- a/src/Webcrawler/YandexWebcrawlerVerifier.php
+++ b/src/Webcrawler/YandexLLCVerifier.php
@@ -1,9 +1,9 @@
 <?php
 namespace WebcrawlerVerifier\Webcrawler;
 
-use WebcrawlerVerifier\DNS\ReverseVerifier as ReverseVerifier;
+use WebcrawlerVerifier\DNS\ReverseVerifier;
 
-class YandexWebcrawlerVerifier implements WebcrawlerVerifierInterface
+class YandexLLCVerifier implements VerifierInterface
 {
     protected $allowedHostNames = ['yandex.ru', 'yandex.net', 'yandex.com'];
 
diff --git a/src/WebcrawlerVerifier.php b/src/WebcrawlerVerifier.php
index 4edc997..0e2d125 100644
--- a/src/WebcrawlerVerifier.php
+++ b/src/WebcrawlerVerifier.php
@@ -10,28 +10,94 @@ class WebcrawlerVerifier
     const VERIFIED = 1;
 
     protected $webcrawlerVerifiers = [
-        'Applebot' => 'WebcrawlerVerifier\Webcrawler\AppleWebcrawlerVerifier',
-        'Baiduspider' => 'WebcrawlerVerifier\Webcrawler\BaiduWebcrawlerVerifier',
-        'BegunAdvertising' => 'WebcrawlerVerifier\Webcrawler\BegunWebcrawlerVerifier',
-        'bingbot' => 'WebcrawlerVerifier\Webcrawler\BingWebcrawlerVerifier',
-        'msnbot' => 'WebcrawlerVerifier\Webcrawler\BingWebcrawlerVerifier',
-        'adidxbot' => 'WebcrawlerVerifier\Webcrawler\BingWebcrawlerVerifier',
-        'BingPreview' => 'WebcrawlerVerifier\Webcrawler\BingWebcrawlerVerifier',
-        'DeuSu' => 'WebcrawlerVerifier\Webcrawler\DeusuWebcrawlerVerifier',
-        'Exabot' => 'WebcrawlerVerifier\Webcrawler\ExaleadWebcrawlerVerifier',
-        'Google' => 'WebcrawlerVerifier\Webcrawler\GoogleWebcrawlerVerifier',
-        'GrapeshotCrawler' => 'WebcrawlerVerifier\Webcrawler\GrapeshotWebcrawlerVerifier',
-        'istellabot' => 'WebcrawlerVerifier\Webcrawler\IstellaWebcrawlerVerifier',
-        'Mail.RU_Bot' => 'WebcrawlerVerifier\Webcrawler\MailRUWebcrawlerVerifier',
-        'Mail.RU' => 'WebcrawlerVerifier\Webcrawler\MailRUWebcrawlerVerifier',
-        'Wotbox' => 'WebcrawlerVerifier\Webcrawler\SearchmeWebcrawlerVerifier',
-        'Seznam' => 'WebcrawlerVerifier\Webcrawler\SeznamWebcrawlerVerifier',
-        'SputnikBot' => 'WebcrawlerVerifier\Webcrawler\SputnikWebcrawlerVerifier',
-        'Steeler' => 'WebcrawlerVerifier\Webcrawler\SteelerWebcrawlerVerifier',
-        'Twitterbot' => 'WebcrawlerVerifier\Webcrawler\TwitterWebcrawlerVerifier',
-        'Yahoo! Slurp' => 'WebcrawlerVerifier\Webcrawler\YahooWebcrawlerVerifier',
-        'Yandex' => 'WebcrawlerVerifier\Webcrawler\YandexWebcrawlerVerifier',
-        'YaDirectFetcher' => 'WebcrawlerVerifier\Webcrawler\YandexWebcrawlerVerifier'
+        'adidxbot' => 'WebcrawlerVerifier\Webcrawler\MicrosoftCorporationVerifier',
+        'AdsBot-Google' => 'WebcrawlerVerifier\Webcrawler\GoogleIncVerifier',
+        'Applebot' => 'WebcrawlerVerifier\Webcrawler\AppleIncVerifier',
+        'AppleNewsBot' => 'WebcrawlerVerifier\Webcrawler\InactiveVerifier',
+        'Baiduspider' => 'WebcrawlerVerifier\Webcrawler\BaiduVerifier',
+        'BegunAdvertising' => 'WebcrawlerVerifier\Webcrawler\BegunVerifier',
+        'bingbot' => 'WebcrawlerVerifier\Webcrawler\MicrosoftCorporationVerifier',
+        'BingPreview' => 'WebcrawlerVerifier\Webcrawler\MicrosoftCorporationVerifier',
+        'DeuSu' => 'WebcrawlerVerifier\Webcrawler\DeusuVerifier',
+        'Exabot' => 'WebcrawlerVerifier\Webcrawler\DassaultSystemesVerifier',
+        'ExaleadCloudview' => 'WebcrawlerVerifier\Webcrawler\DassaultSystemesVerifier',
+        'FeedValidator/' => 'WebcrawlerVerifier\Webcrawler\ValidatorW3OrgVerifier',
+        'Google favicon' => 'WebcrawlerVerifier\Webcrawler\GoogleIncVerifier',
+        'Google Keyword Suggestion' => 'WebcrawlerVerifier\Webcrawler\GoogleIncVerifier',
+        'Google Keyword Tool' => 'WebcrawlerVerifier\Webcrawler\GoogleIncVerifier',
+        'Google Page Speed Insights' => 'WebcrawlerVerifier\Webcrawler\GoogleIncVerifier',
+        'Google PP' => 'WebcrawlerVerifier\Webcrawler\GoogleIncVerifier',
+        'Google Search Console' => 'WebcrawlerVerifier\Webcrawler\GoogleIncVerifier',
+        'Google Web Preview' => 'WebcrawlerVerifier\Webcrawler\GoogleIncVerifier',
+        'Google_Analytics_Snippet_Validator' => 'WebcrawlerVerifier\Webcrawler\GoogleIncVerifier',
+        'Google-Adwords' => 'WebcrawlerVerifier\Webcrawler\GoogleIncVerifier',
+        'Googlebot' => 'WebcrawlerVerifier\Webcrawler\GoogleIncVerifier',
+        'Google-Calendar-Importer' => 'WebcrawlerVerifier\Webcrawler\GoogleIncVerifier',
+        'Google-Publisher-Plugin' => 'WebcrawlerVerifier\Webcrawler\GoogleIncVerifier',
+        'Google-SearchByImage' => 'WebcrawlerVerifier\Webcrawler\GoogleIncVerifier',
+        'Google-Site-Verification' => 'WebcrawlerVerifier\Webcrawler\GoogleIncVerifier',
+        'Google-Structured-Data-Testing-Tool' => 'WebcrawlerVerifier\Webcrawler\GoogleIncVerifier',
+        'GoogleWebLight' => 'WebcrawlerVerifier\Webcrawler\GoogleIncVerifier',
+        'google.com/+/web/snippet/' => 'WebcrawlerVerifier\Webcrawler\GoogleIncVerifier',
+        'grapeFX' => 'WebcrawlerVerifier\Webcrawler\GrapeshotLimitedVerifier',
+        'GrapeshotCrawler' => 'WebcrawlerVerifier\Webcrawler\GrapeshotLimitedVerifier',
+        'istellabot' => 'WebcrawlerVerifier\Webcrawler\TiscaliItaliaSpaVerifier',
+        'Jigsaw/' => 'WebcrawlerVerifier\Webcrawler\ValidatorW3OrgVerifier',
+        'librabot/' => 'WebcrawlerVerifier\Webcrawler\InactiveVerifier',
+        'LinkedInBot' => 'WebcrawlerVerifier\Webcrawler\LinkedInIncVerifier',
+        'Mail.RU/' => 'WebcrawlerVerifier\Webcrawler\MailRuGroupVerifier',
+        'Mail.RU_Bot' => 'WebcrawlerVerifier\Webcrawler\MailRuGroupVerifier',
+        'Mediapartners-Google' => 'WebcrawlerVerifier\Webcrawler\GoogleIncVerifier',
+        'msnbot' => 'WebcrawlerVerifier\Webcrawler\MicrosoftCorporationVerifier',
+        'MSRBOT' => 'WebcrawlerVerifier\Webcrawler\InactiveVerifier',
+        'NING/' => 'WebcrawlerVerifier\Webcrawler\ValidatorW3OrgVerifier',
+        'oBot/' => 'WebcrawlerVerifier\Webcrawler\IBMGermanyResearchAndDevelopmentGmbHVerifier',
+        'OdklBot' => 'WebcrawlerVerifier\Webcrawler\OdnoklassnikiLLCVerifier',
+        'Seznam' => 'WebcrawlerVerifier\Webcrawler\SeznamCzASVerifier',
+        'SputnikBot' => 'WebcrawlerVerifier\Webcrawler\OJSCRostelecomVerifier',
+        'SputnikFaviconBot' => 'WebcrawlerVerifier\Webcrawler\OJSCRostelecomVerifier',
+        'SputnikImageBot' => 'WebcrawlerVerifier\Webcrawler\OJSCRostelecomVerifier',
+        'Steeler' => 'WebcrawlerVerifier\Webcrawler\KitsuregawaLaboratoryTheUniversityOfTokyoVerifier',
+        'Twitterbot' => 'WebcrawlerVerifier\Webcrawler\TwitterIncVerifier',
+        'TurnitinBot' => 'WebcrawlerVerifier\Webcrawler\TurnitinLLCVerifier',
+        'Validator.nu/' => 'WebcrawlerVerifier\Webcrawler\ValidatorW3OrgVerifier',
+        'W3C_I18n-Checker/' => 'WebcrawlerVerifier\Webcrawler\ValidatorW3OrgVerifier',
+        'W3C_Unicorn/' => 'WebcrawlerVerifier\Webcrawler\ValidatorW3OrgVerifier',
+        'W3C_Validator/' => 'WebcrawlerVerifier\Webcrawler\ValidatorW3OrgVerifier',
+        'W3C-checklink' => 'WebcrawlerVerifier\Webcrawler\ValidatorW3OrgVerifier',
+        'W3C-mobileOK/' => 'WebcrawlerVerifier\Webcrawler\ValidatorW3OrgVerifier',
+        'Wotbox' => 'WebcrawlerVerifier\Webcrawler\WotboxTeamVerifier',
+        'Y!J-ASR' => 'WebcrawlerVerifier\Webcrawler\YahooIncVerifier',
+        'Y!J-BRI' => 'WebcrawlerVerifier\Webcrawler\YahooIncVerifier',
+        'Y!J-BRJ/YATS' => 'WebcrawlerVerifier\Webcrawler\YahooIncVerifier',
+        'Y!J-BRO/YFSJ' => 'WebcrawlerVerifier\Webcrawler\YahooIncVerifier',
+        'Y!J-BRW' => 'WebcrawlerVerifier\Webcrawler\YahooIncVerifier',
+        'Y!J-BSC' => 'WebcrawlerVerifier\Webcrawler\YahooIncVerifier',
+        'YaDirectFetcher' => 'WebcrawlerVerifier\Webcrawler\YandexLLCVerifier',
+        'Yahoo! Site Explorer Feed Validator' => 'WebcrawlerVerifier\Webcrawler\YahooIncVerifier',
+        'Yahoo! Slurp' => 'WebcrawlerVerifier\Webcrawler\YahooIncVerifier',
+        'YahooCacheSystem' => 'WebcrawlerVerifier\Webcrawler\YahooIncVerifier',
+        'Yahoo-MMCrawler' => 'WebcrawlerVerifier\Webcrawler\YahooIncVerifier',
+        'YahooSeeker-Testing' => 'WebcrawlerVerifier\Webcrawler\YahooIncVerifier',
+        'YahooYSMcm' => 'WebcrawlerVerifier\Webcrawler\YahooIncVerifier',
+        'Yandex.Translate' => 'WebcrawlerVerifier\Webcrawler\YandexLLCVerifier',
+        'Yandex/' => 'WebcrawlerVerifier\Webcrawler\YandexLLCVerifier',
+        'YandexAntivirus' => 'WebcrawlerVerifier\Webcrawler\YandexLLCVerifier',
+        'YandexBlogs' => 'WebcrawlerVerifier\Webcrawler\YandexLLCVerifier',
+        'YandexBot' => 'WebcrawlerVerifier\Webcrawler\YandexLLCVerifier',
+        'YandexCatalog' => 'WebcrawlerVerifier\Webcrawler\YandexLLCVerifier',
+        'YandexDirect' => 'WebcrawlerVerifier\Webcrawler\YandexLLCVerifier',
+        'YandexFavicons' => 'WebcrawlerVerifier\Webcrawler\YandexLLCVerifier',
+        'YandexImageResizer' => 'WebcrawlerVerifier\Webcrawler\YandexLLCVerifier',
+        'YandexImages' => 'WebcrawlerVerifier\Webcrawler\YandexLLCVerifier',
+        'YandexMedia' => 'WebcrawlerVerifier\Webcrawler\YandexLLCVerifier',
+        'YandexMetrika' => 'WebcrawlerVerifier\Webcrawler\YandexLLCVerifier',
+        'YandexMobileBot' => 'WebcrawlerVerifier\Webcrawler\YandexLLCVerifier',
+        'YandexPagechecker' => 'WebcrawlerVerifier\Webcrawler\YandexLLCVerifier',
+        'YandexSomething' => 'WebcrawlerVerifier\Webcrawler\YandexLLCVerifier',
+        'YandexVideo' => 'WebcrawlerVerifier\Webcrawler\YandexLLCVerifier',
+        'YandexWebmaster' => 'WebcrawlerVerifier\Webcrawler\YandexLLCVerifier',
+        'YandexZakladki' => 'WebcrawlerVerifier\Webcrawler\YandexLLCVerifier'
     ];
 
     public function __construct(array $additionalWebcrawlerVerifiers = [])
diff --git a/tests/WebcrawlerVerifierTest.php b/tests/WebcrawlerVerifierTest.php
index 2b05e9f..14a3e2c 100644
--- a/tests/WebcrawlerVerifierTest.php
+++ b/tests/WebcrawlerVerifierTest.php
@@ -40,26 +40,158 @@ public function testVerifyEmptyUserAgent()
         ));
     }
 
-    public function testVerifyAppleWebcrawler()
+    public function testVerifyNormalWebcrawler()
     {
         $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
-        $userAgent = 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_1) AppleWebKit/600.2.5 (KHTML, like Gecko) '
-            . 'Version/8.0.2 Safari/600.2.5 (Applebot/0.1; +http://www.apple.com/go/applebot)';
+        $userAgents = [
+            'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_8) AppleWebKit/537.12.13 (KHTML, like Gecko)'
+                . ' Chrome/56.0.2715.80 Safari/537.12.13' => '192.168.0.1',
+            'Mozilla/5.0 (Windows NT 6.1; WOW64; rv:40.0) Gecko/20100101 Firefox/40.1' => '192.168.0.1',
+            'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.71'
+                . ' Safari/537.36' => '192.168.0.1',
+            'Mozilla/4.0 (compatible; MSIE 6.0; Update a; AOL 6.0; Windows 98)' => '192.168.0.1',
+            'Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.59'
+                . ' Safari/537.36 OPR/41.0.2353.46' => '192.168.0.1',
+            'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.116'
+                . ' YaBrowser/16.9.1.1192 Yowser/2.5 Safari/537.36' => '192.168.0.1',
+            'Mozilla/5.0 (Linux; U; Android 4.1.2; ru-ru; GT-N7000 Build/JZO54K) AppleWebKit/534.30 (KHTML,'
+                . ' like Gecko) Version/4.0 Mobile Safari/534.30' => '192.168.0.1',
+            'Mozilla/5.0 (Windows NT 6.1; Trident/7.0; rv:11.0) like Gecko' => '192.168.0.1',
+            'Mozilla/5.0 (Linux; U; Android 4.2.2; ru-ru; Q45/A45 Build/JDQ39) AppleWebKit/534.30 (KHTML, like Gecko)'
+                . ' Version/4.0 Mobile Safari/534.30' => '192.168.0.1'
+        ];
+
+        foreach ($userAgents as $userAgent => $ip) {
+            $this->assertEquals($webcrawlerVerifier::UNKNOWN, $webcrawlerVerifier->verify(
+                $userAgent,
+                $ip
+            ));
+        }
+    }
+
+    public function testVerifyAdidxbotWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgents = [
+            'Mozilla/5.0 (compatible; adidxbot/2.0; +http://www.bing.com/bingbot.htm)' => '157.55.39.37',
+            'Mozilla/5.0 (iPhone; CPU iPhone OS 7_0 like Mac OS X) AppleWebKit/537.51.1 (KHTML, like Gecko)'
+                . ' Version/7.0 Mobile/11A465 Safari/9537.53'
+                . ' (compatible; adidxbot/2.0; +http://www.bing.com/bingbot.htm)' => '207.46.13.12',
+            'Mozilla/5.0 (iPhone; CPU iPhone OS 7_0 like Mac OS X) AppleWebKit/537.51.1 (KHTML, like Gecko)'
+                . ' Version/7.0 Mobile/11A465 Safari/9537.53'
+                . ' (compatible; adidxbot/2.0; http://www.bing.com/bingbot.htm)' => '157.55.39.82',
+            'Mozilla/5.0 (compatible; adidxbot/2.0; http://www.bing.com/bingbot.htm)' => '157.55.39.5',
+            'Mozilla/5.0 (Windows Phone 8.1; ARM; Trident/7.0; Touch; rv:11.0; IEMobile/11.0; NOKIA; Lumia 530)'
+                . ' like Gecko (compatible; adidxbot/2.0; +http://www.bing.com/bingbot.htm)' => '65.55.208.13',
+            'adidxbot/2.0 (+http://search.msn.com/msnbot.htm)' => '65.55.24.221',
+            'adidxbot/1.1 (+http://search.msn.com/msnbot.htm)' => '65.55.214.149'
+        ];
+
+        foreach ($userAgents as $userAgent => $ip) {
+            $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                '192.168.0.1'
+            ));
+            $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                $ip
+            ));
+        }
+    }
+
+    public function testVerifyAdsBotGoogleWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgents = [
+            'AdsBot-Google (+http://www.google.com/adsbot.html)' => '66.249.89.15',
+            'Mozilla/5.0 (iPhone; CPU iPhone OS 9_1 like Mac OS X) AppleWebKit/601.1.46 (KHTML, like Gecko) '
+                . 'Version/9.0 Mobile/13B143 Safari/601.1 (compatible; '
+                . 'AdsBot-Google-Mobile; +http://www.google.com/mobile/adsbot.html)' => '66.249.89.17',
+            'AdsBot-Google-Mobile (+http://www.google.com/mobile/adsbot.html) Mozilla (iPhone; U; CPU iPhone OS 3 0'
+                . ' like Mac OS X) AppleWebKit (KHTML, like Gecko) Mobile Safari' => '66.249.91.5'
+        ];
+
+        foreach ($userAgents as $userAgent => $ip) {
+            $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                '192.168.0.1'
+            ));
+            $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                $ip
+            ));
+        }
+    }
+
+    public function testVerifyApplebotWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgents = [
+            'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_1) AppleWebKit/600.2.5 (KHTML, like Gecko)'
+                . ' Version/8.0.2 Safari/600.2.5 (Applebot/0.1; +http://www.apple.com/go/applebot)' => '17.142.156.167',
+            'Mozilla/5.0 (iPhone; CPU iPhone OS 8_1 like Mac OS X) AppleWebKit/600.1.4 (KHTML, like Gecko) Version/8.0'
+                . ' Mobile/12B410 Safari/600.1.4 (Applebot/0.1; +http://www.apple.com/go/applebot)' => '17.142.150.187',
+
+        ];
+
+        foreach ($userAgents as $userAgent => $ip) {
+            $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                '192.168.0.1'
+            ));
+            $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                $ip
+            ));
+        }
+    }
+
+    public function testVerifyAppleNewsBotWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgent = 'AppleNewsBot';
 
         $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
             $userAgent,
             '192.168.0.1'
         ));
-        $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+        $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
             $userAgent,
-            '17.142.150.187'
+            '17.133.2.237'
         ));
     }
 
-    public function testVerifyBaiduWebcrawler()
+    public function testVerifyBaiduspiderWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgents = [
+            'Mozilla/5.0 (compatible; Baiduspider/2.0; +http://www.baidu.com/search/spider.html)' => '123.125.71.48',
+            'Baiduspider-image+(+http://www.baidu.com/search/spider.htm)' => '220.181.108.181',
+            'Mozilla/5.0 (compatible; Baiduspider-cpro; +http://www.baidu.com/search/spider.html)' => '123.125.71.33',
+            'Baiduspider+(+http://www.baidu.com/search/spider.htm)' => '220.181.108.160',
+            'Baiduspider-image+(+http://www.baidu.com/search/spider.htm)\nReferer:'
+                . ' http://image.baidu.com/i?ct=503316480&z=0&tn=baiduimagedetail' => '220.181.108.181',
+            'Baiduspider+(+http://www.baidu.jp/spider/)' => '119.63.198.104',
+            'Baiduspider+(+http://help.baidu.jp/system/05.html)' => '119.63.198.104',
+            'Baiduspider+(+http://www.baidu.com/search/spider_jp.html)' => '119.63.198.104'
+        ];
+
+        foreach ($userAgents as $userAgent => $ip) {
+            $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                '192.168.0.1'
+            ));
+            $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                $ip
+            ));
+        }
+    }
+
+    public function testVerifyBegunAdvertisingWebcrawler()
     {
         $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
-        $userAgent = 'Mozilla/5.0 (compatible; Baiduspider/2.0; +http://www.baidu.com/search/spider.html)';
+        $userAgent = 'Mozilla/5.0 (compatible; BegunAdvertising/3.0; +http://begun.ru/begun/technology/indexer/)';
 
         $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
             $userAgent,
@@ -67,14 +199,115 @@ public function testVerifyBaiduWebcrawler()
         ));
         $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
             $userAgent,
-            '123.125.66.120'
+            '91.192.149.231'
         ));
     }
 
-    public function testVerifyBegunWebcrawler()
+    public function testVerifyBingbotWebcrawler()
     {
         $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
-        $userAgent = 'Mozilla/5.0 (compatible; BegunAdvertising/3.0; +http://begun.ru/begun/technology/indexer/)';
+        $userAgents = [
+            'Mozilla/5.0 (compatible; bingbot/2.0; +http://www.bing.com/bingbot.htm)' => '207.46.13.239',
+            'Mozilla/5.0 (iPhone; CPU iPhone OS 7_0 like Mac OS X) AppleWebKit/537.51.1 (KHTML, like Gecko) Version/7.0'
+                . ' Mobile/11A465 Safari/9537.53 (compatible; bingbot/2.0;'
+                . ' +http://www.bing.com/bingbot.htm)' => '157.55.39.106',
+            'Mozilla/5.0 (seoanalyzer; compatible; bingbot/2.0; +http://www.bing.com/bingbot.htm)' => '131.253.24.2',
+            'Mozilla/5.0 (compatible; bingbot/2.0; http://www.bing.com/bingbot.htm)' => '157.55.39.205',
+            'Mozilla/5.0 (iPhone; CPU iPhone OS 7_0 like Mac OS X) AppleWebKit/537.51.1 (KHTML, like Gecko) Version/7.0'
+                . ' Mobile/11A465 Safari/9537.53 (compatible; bingbot/2.0; '
+                . 'http://www.bing.com/bingbot.htm)' => '207.46.13.184',
+            'Mozilla/5.0 (compatible; bingbot/2.0; +http://www.bing.com/bingbot.htm' => '157.55.35.36',
+            'Mozilla/5.0 (compatible; bingbot/2.0; +http://www.bing.com/bingbot.htm) SitemapProbe' => '65.55.213.241'
+        ];
+
+        foreach ($userAgents as $userAgent => $ip) {
+            $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                '192.168.0.1'
+            ));
+            $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                $ip
+            ));
+        }
+    }
+
+    public function testVerifyBingPreviewWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgents = [
+            'Mozilla/5.0 (iPhone; CPU iPhone OS 7_0 like Mac OS X) AppleWebKit/537.51.1 (KHTML, like Gecko) Version/7.0'
+                . ' Mobile/11A465 Safari/9537.53 BingPreview/1.0b' => '207.46.13.218',
+            'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/534+ (KHTML, like Gecko) BingPreview/1.0b'
+                => '199.30.25.171',
+            'Mozilla/5.0 (Windows NT 6.3; WOW64; Trident/7.0; rv:11.0; BingPreview/1.0b) like Gecko' => '65.55.210.79',
+            'Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0; WOW64; Trident/5.0; BingPreview/1.0b)'
+                => '199.30.25.107',
+            'Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.2; Trident/6.0; WOW64; Trident/6.0; BingPreview/1.0b)'
+                => '199.30.26.160'
+        ];
+
+        foreach ($userAgents as $userAgent => $ip) {
+            $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                '192.168.0.1'
+            ));
+            $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                $ip
+            ));
+        }
+    }
+
+    public function testVerifyDeuSuWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgents = [
+            'Mozilla/5.0 (compatible; DeuSu/5.0.2; +https://deusu.de/robot.html)' => '85.93.91.84',
+            'Mozilla/5.0 (compatible; DeuSu/0.1.0; +https://deusu.org)' => '85.93.91.84'
+        ];
+
+        foreach ($userAgents as $userAgent => $ip) {
+            $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                '192.168.0.1'
+            ));
+            $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                $ip
+            ));
+        }
+    }
+
+    public function testVerifyExabotWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgents = [
+            'Mozilla/5.0 (compatible; Exabot/3.0; +http://www.exabot.com/go/robot)' => '178.255.215.91',
+            'Mozilla/5.0 (compatible; Konqueror/3.5; Linux) KHTML/3.5.5 (like Gecko) (Exabot-Thumbnails)'
+                => '178.255.215.97',
+            'Mozilla/5.0 (compatible; Exabot/3.0 (BiggerBetter); +http://www.exabot.com/go/robot)' => '178.255.215.80',
+            'Mozilla/5.0 (compatible; ExaleadCloudView/5;)' => '178.255.215.130',
+            'Mozilla/5.0 (compatible; ExaleadCloudview/6;)' => '178.255.215.130',
+            'Mozilla/5.0 (compatible; Exabot-Images/3.0; +http://www.exabot.com/go/robot)' => '178.255.215.91'
+        ];
+
+        foreach ($userAgents as $userAgent => $ip) {
+            $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                '192.168.0.1'
+            ));
+            $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                $ip
+            ));
+        }
+    }
+
+    public function testVerifyFeedValidatorWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgent = 'FeedValidator/1.3';
 
         $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
             $userAgent,
@@ -82,74 +315,274 @@ public function testVerifyBegunWebcrawler()
         ));
         $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
             $userAgent,
-            '91.192.149.231'
+            '128.30.52.13'
         ));
     }
 
-    public function testVerifyBingWebcrawler()
+    public function testVerifyGooglefaviconWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgents = [
+            'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.75 Safari/537.36'
+                . ' Google Favicon' => '66.102.6.118',
+            'Mozilla/5.0 (Windows NT 6.1; rv:6.0) Gecko/20110814 Firefox/6.0 Google favicon' => '66.249.84.249',
+            'Google favicon' => '66.249.93.166'
+        ];
+
+        foreach ($userAgents as $userAgent => $ip) {
+            $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                '192.168.0.1'
+            ));
+            $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                $ip
+            ));
+        }
+    }
+
+    public function testVerifyGoogleKeywordSuggestionWebcrawler()
     {
         $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
-        $bindbotUserAgent = 'Mozilla/5.0 (compatible; bingbot/2.0; +http://www.bing.com/bingbot.htm)';
+        $userAgent = 'Mozilla/5.0 (X11; U; Linux x86_64; en-US) AppleWebKit/534.16 (KHTML, like Gecko, Google Keyword'
+            . ' Suggestion) Chrome/10.0.648.127 Safari/534.16';
 
         $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
-            $bindbotUserAgent,
+            $userAgent,
             '192.168.0.1'
         ));
         $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
-            $bindbotUserAgent,
-            '40.77.167.10'
+            $userAgent,
+            '66.249.84.220'
         ));
+    }
 
-        $msnbotUserAgent = 'msnbot/2.0b (+http://search.msn.com/msnbot.htm)';
+    public function testVerifyGoogleKeywordToolWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgent = 'Mozilla/5.0 (compatible; Google Keyword Tool; +http://adwords.google.com/select/'
+            . 'KeywordToolExternal)';
 
         $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
-            $msnbotUserAgent,
+            $userAgent,
             '192.168.0.1'
         ));
         $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
-            $msnbotUserAgent,
-            '40.77.167.10'
+            $userAgent,
+            '66.249.72.68'
         ));
+    }
+
+    public function testVerifyGooglePageSpeedInsightsWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgents = [
+            'Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko; Google'
+                . ' Page Speed Insights) Chrome/27.0.1453 Mobile Safari/537.36' => '66.102.8.156',
+            'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko; Google Page Speed Insights)'
+                . ' Chrome/27.0.1453 Safari/537.36' => '66.249.93.158',
+            'Mozilla/5.0 (iPhone; CPU iPhone OS 8_3 like Mac OS X) AppleWebKit/537.36 (KHTML, like Gecko; Google Page'
+                . ' Speed Insights) Version/8.0 Mobile/12F70 Safari/600.1.4' => '66.249.93.179',
+            'Mozilla/5.0 (iPhone; CPU iPhone OS 6_0_1 like Mac OS X) AppleWebKit/537.36 (KHTML, like Gecko; Google Page'
+                . ' Speed Insights) Version/6.0 Mobile/10A525 Safari/8536.25' => '66.249.93.251',
+            'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.4 (KHTML, like Gecko; Google Page Speed Insights)'
+                . ' Chrome/22.0.1229 Safari/537.4' => '66.249.93.193'
+        ];
 
-        $msnbotMediaUserAgent = 'msnbot-media/1.1 (+http://search.msn.com/msnbot.htm)';
+        foreach ($userAgents as $userAgent => $ip) {
+            $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                '192.168.0.1'
+            ));
+            $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                $ip
+            ));
+        }
+    }
+
+    public function testVerifyGooglePPWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgent = 'Mozilla/5.0 (en-us) AppleWebKit/537.36 (KHTML, like Gecko; Google PP Default) Chrome/27.0.1453'
+            . ' Safari/537.36';
 
         $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
-            $msnbotMediaUserAgent,
+            $userAgent,
             '192.168.0.1'
         ));
         $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
-            $msnbotMediaUserAgent,
-            '40.77.167.10'
+            $userAgent,
+            '66.249.83.167'
         ));
+    }
+
+    public function testVeirfyGoogleSearchConsoleWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgents = [
+            'Mozilla/5.0 (iPhone; CPU iPhone OS 8_3 like Mac OS X) AppleWebKit/537.36 (KHTML, like Gecko) Version/8.0'
+                . ' Mobile/12F70 Safari/600.1.4 (compatible; Google Search Console)' => '66.249.83.167',
+            'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko; Google Search Console)'
+                . ' Chrome/27.0.1453 Safari/537.36' => '66.249.83.170'
+        ];
+
+        foreach ($userAgents as $userAgent => $ip) {
+            $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                '192.168.0.1'
+            ));
+            $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                $ip
+            ));
+        }
+    }
 
-        $adldxbotUserAgent = 'Mozilla/5.0 (compatible; adidxbot/2.0; +http://www.bing.com/bingbot.htm)';
+    public function testVerifyGoogleWebPreviewWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgents = [
+            'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko; Google Web Preview)'
+                . ' Chrome/27.0.1453 Safari/537.36' => '66.102.9.22',
+            'Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; Google Web Preview Analytics) Chrome/27.0.1453'
+                . ' Safari/537.36 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)' => '66.249.79.34',
+            'Mozilla/5.0 (Linux; U; Android 2.3.4; generic) AppleWebKit/537.36 (KHTML, like Gecko; Google Web Preview)'
+                . ' Version/4.0 Mobile Safari/537.36' => '66.102.6.244',
+            'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.4 (KHTML, like Gecko; Google Web Preview)'
+                . ' Chrome/22.0.1229 Safari/537.4' => '66.102.6.244',
+            'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/534.51 (KHTML, like Gecko; Google Web Preview)'
+                . ' Chrome/12.0.742 Safari/534.51' => '66.102.6.244',
+            'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/534.24 (KHTML, like Gecko; Google Web Preview)'
+                . ' Chrome/11.0.696 Safari/534.24' => '66.102.6.244',
+            'Mozilla/5.0 (en-us) AppleWebKit/525.13 (KHTML, like Gecko; Google Web Preview) Version/3.1'
+                . ' Safari/525.13' => '66.102.6.244'
+        ];
+
+        foreach ($userAgents as $userAgent => $ip) {
+            $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                '192.168.0.1'
+            ));
+            $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                $ip
+            ));
+        }
+    }
+
+    public function testVerifyGoogleAnalyticsSnippetValidatorWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgent = 'Google_Analytics_Snippet_Validator';
 
         $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
-            $adldxbotUserAgent,
+            $userAgent,
             '192.168.0.1'
         ));
         $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
-            $adldxbotUserAgent,
-            '40.77.167.10'
+            $userAgent,
+            '66.249.82.125'
         ));
+    }
+
+    public function testVerifyGoogleAdwordsWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgents = [
+            'Google-Adwords-Instant (+http://www.google.com/adsbot.html)' => '66.102.6.253',
+            'Mozilla/5.0 (en-us) AppleWebKit/537.36(KHTML, like Gecko; Google-Adwords-DisplayAds-WebRender;)'
+                . ' Chrome/27.0.1453Safari/537.36' => '66.249.83.185',
+            'Mozilla/5.0, Google-AdWords-Express' => '66.249.88.14',
+            'Google-AdWords-Express' => '66.249.83.148'
+        ];
+
+        foreach ($userAgents as $userAgent => $ip) {
+            $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                '192.168.0.1'
+            ));
+            $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                $ip
+            ));
+        }
+    }
 
-        $bingPreviewUserAgent
-            = 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/534+ (KHTML, like Gecko) BingPreview/1.0b';
+    public function testVerifyGrapeshotCrawlerWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgent = 'Mozilla/5.0 (compatible; GrapeshotCrawler/2.0; +http://www.grapeshot.co.uk/crawler.php)';
 
         $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
-            $bingPreviewUserAgent,
+            $userAgent,
             '192.168.0.1'
         ));
         $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
-            $bingPreviewUserAgent,
-            '40.77.167.10'
+            $userAgent,
+            '89.145.95.76'
         ));
     }
 
-    public function testVerifyDeusuWebcrawler()
+    public function testVerifyGooglebotWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgents = [
+            'Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)' => '66.249.66.96',
+            'Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko)'
+                . ' Chrome/41.0.2272.96 Mobile Safari/537.36 (compatible; Googlebot/2.1;'
+                . ' +http://www.google.com/bot.html)' => '66.249.64.37',
+            'Googlebot/2.1 (+http://www.google.com/bot.html)' => '66.249.64.34',
+            'DoCoMo/2.0 N905i(c100;TB;W24H16) (compatible; Googlebot-Mobile/2.1; +http://www.google.com/bot.html)'
+                => '66.249.64.185',
+            'Googlebot-Image/1.0' => '66.249.64.26',
+            'SAMSUNG-SGH-E250/1.0 Profile/MIDP-2.0 Configuration/CLDC-1.1 UP.Browser/6.2.3.3.c.1.101 (GUI) MMP/2.0'
+                . ' (compatible; Googlebot-Mobile/2.1; +http://www.google.com/bot.html)' => '66.249.64.91',
+            'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.75 Safari/537.36'
+                . ' Google (+https://developers.google.com/+/web/snippet/)' => '66.249.90.95',
+            'Googlebot-Video/1.0' => '66.249.66.174',
+            'Mozilla/5.0 (iPhone; CPU iPhone OS 6_0 like Mac OS X) AppleWebKit/536.26 (KHTML, like Gecko) Version/6.0'
+                . ' Mobile/10A5376e Safari/8536.25 (compatible; Googlebot/2.1;'
+                . ' +http://www.google.com/bot.html)' => '66.249.78.171',
+            'Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko)'
+                . ' Chrome/27.0.1453 Mobile Safari/537.36 (compatible; Googlebot/2.1;'
+                . ' +http://www.google.com/bot.html)' => '66.249.76.31',
+            'Mozilla/5.0 (iPhone; CPU iPhone OS 8_3 like Mac OS X) AppleWebKit/600.1.4 (KHTML, like Gecko) Version/8.0'
+                . ' Mobile/12F70 Safari/600.1.4 (compatible; Googlebot/2.1;'
+                . ' +http://www.google.com/bot.html)' => '66.249.69.124',
+            'Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Googlebot/2.1;'
+                . ' +http://www.google.com/bot.html) Safari/537.36' => '66.249.69.11',
+            'Mozilla/5.0 (Windows NT 6.1; rv:6.0) Gecko/20110814 Firefox/6.0 Google'
+                . ' (+https://developers.google.com/+/web/snippet/)' => '66.249.81.138',
+            'Mozilla/5.0 (iPhone; U; CPU iPhone OS 4_1 like Mac OS X; en-us) AppleWebKit/532.9 (KHTML, like Gecko)'
+                . ' Version/4.0.5 Mobile/8B117 Safari/6531.22.7 (compatible; Googlebot-Mobile/2.1;'
+                . ' +http://www.google.com/bot.html)' => '66.249.75.98',
+            'Mozilla/5.0 (iPhone; CPU iPhone OS 8_3 like Mac OS X) AppleWebKit/537.36 (KHTML, like Gecko) Version/8.0'
+                . ' Mobile/12F70 Safari/600.1.4 (compatible; Googlebot/2.1;'
+                . ' +http://www.google.com/bot.html)' => '66.249.78.182',
+            'Mozilla/5.0 (iPhone; CPU iPhone OS 6_0 like Mac OS X) AppleWebKit/536.26 (KHTML, like Gecko) Version/6.0'
+                . ' Mobile/10A5376e Safari/8536.25 (compatible; Googlebot-Mobile/2.1;'
+                . ' +http://www.google.com/bot.html)' => '66.249.75.98',
+            'Nokia6820/2.0 (4.83) Profile/MIDP-1.0 Configuration/CLDC-1.0 (compatible; Googlebot-Mobile/2.1;'
+                . ' +http://www.google.com/bot.html)' => '66.249.72.68'
+        ];
+
+        foreach ($userAgents as $userAgent => $ip) {
+            $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                '192.168.0.1'
+            ));
+            $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                $ip
+            ));
+        }
+    }
+
+    public function testVerifyGoogleCalendarImporterWebcrawler()
     {
         $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
-        $userAgent = 'Mozilla/5.0 (compatible; DeuSu/5.0.2; +https://deusu.de/robot.html)';
+        $userAgent = 'Google-Calendar-Importer';
 
         $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
             $userAgent,
@@ -157,14 +590,37 @@ public function testVerifyDeusuWebcrawler()
         ));
         $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
             $userAgent,
-            '85.93.91.84'
+            '66.249.91.220'
         ));
     }
 
-    public function testVerifyExaleadWebcrawler()
+    public function testVerifyGooglePublisherPluginWebcrawler()
     {
         $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
-        $userAgent = 'Mozilla/5.0 (compatible; Exabot/3.0; +http://www.exabot.com/go/robot)';
+        $userAgents = [
+            'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_3) AppleWebKit/537.36 (KHTML, like Gecko,'
+                . ' Google-Publisher-Plugin) Chrome/27.0.1453 Safari/537.36' => '66.249.64.44',
+            'Mozilla/5.0 (Linux; Android 4.0.4; Galaxy Nexus Build/IMM76B) AppleWebKit/537.36 (KHTML, like Gecko;'
+                . ' Google-Publisher-Plugin) Chrome/27.0.1453 Mobile Safari/537.36' => '66.249.64.116'
+        ];
+
+        foreach ($userAgents as $userAgent => $ip) {
+            $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                '192.168.0.1'
+            ));
+            $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                $ip
+            ));
+        }
+    }
+
+    public function testVerifyGoogleSearchByImageWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgent = 'Mozilla/5.0 (Windows; U; Windows NT 5.1; de; rv:1.9.0.7; Google-SearchByImage)'
+            . ' Gecko/2009021910 Firefox/3.0.7';
 
         $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
             $userAgent,
@@ -172,14 +628,14 @@ public function testVerifyExaleadWebcrawler()
         ));
         $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
             $userAgent,
-            '178.255.215.89'
+            '66.102.9.148'
         ));
     }
 
-    public function testVerifyGoogleWebcrawler()
+    public function testVerifyGoogleSiteVerificationCrawlerWebcrawler()
     {
         $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
-        $userAgent = 'Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)';
+        $userAgent = 'Mozilla/5.0 (compatible; Google-Site-Verification/1.0)';
 
         $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
             $userAgent,
@@ -187,18 +643,52 @@ public function testVerifyGoogleWebcrawler()
         ));
         $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
             $userAgent,
-            '66.249.66.1'
+            '66.249.91.23'
+        ));
+    }
+
+    public function testVerifyGoogleStructuredDataTestingToolWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgents = [
+            'Mozilla/5.0 (compatible; Google-Structured-Data-Testing-Tool'
+                . ' +https://search.google.com/structured-data/testing-tool)' => '66.102.9.148',
+            'Mozilla/5.0 (compatible; Google-Structured-Data-Testing-Tool'
+                . ' +http://developers.google.com/structured-data/testing-tool/)' => '66.102.9.60'
+        ];
+
+        foreach ($userAgents as $userAgent => $ip) {
+            $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                '192.168.0.1'
+            ));
+            $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                $ip
+            ));
+        }
+    }
+
+    public function testVerifyGoogleWebLightWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgent = 'Mozilla/5.0 (Linux; Android 4.2.1; en-us; Nexus 5 Build/JOP40D) AppleWebKit/535.19 (KHTML,'
+            . ' like Gecko; googleweblight) Chrome/38.0.1025.166 Mobile Safari/535.19';
+
+        $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '192.168.0.1'
         ));
         $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
             $userAgent,
-            '66.249.90.77'
+            '66.102.7.159'
         ));
     }
 
-    public function testVerifyGrapeshotWebcrawler()
+    public function testVerifyGrapeFXWebcrawler()
     {
         $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
-        $userAgent = 'Mozilla/5.0 (compatible; GrapeshotCrawler/2.0; +https://www.grapeshot.com/crawler/)';
+        $userAgent = 'Mozilla/5.0 (compatible; grapeFX/0.9; crawler@grapeshot.co.uk';
 
         $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
             $userAgent,
@@ -206,14 +696,40 @@ public function testVerifyGrapeshotWebcrawler()
         ));
         $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
             $userAgent,
-            '89.145.95.68'
+            '89.145.95.6'
         ));
     }
 
-    public function testVerifyIstellaWebcrawler()
+    public function testVerifyIstellabotWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgents = [
+            'istellabot/t.1' => '217.73.208.152',
+            'istellabot/Nutch-1.11' => '217.73.208.145',
+            'istellabot/Nutch-1.10' => '217.73.208.144',
+            'Mozilla/5.0 (compatible; IstellaBot/1.23.15 +http://www.tiscali.it/)' => '217.73.208.152',
+            'istellabot-nutch/Nutch-1.10' => '217.73.208.147',
+            'Mozilla/5.0 (compatible; IstellaBot/1.18.81 +http://www.tiscali.it/)' => '217.73.208.152',
+            'Mozilla/5.0 (compatible; IstellaBot/1.10.2 +http://www.tiscali.it/)' => '217.73.208.145',
+            'Mozilla/5.0 (compatible; IstellaBot/1.01.18 +http://www.tiscali.it/)' => '217.73.208.144'
+        ];
+
+        foreach ($userAgents as $userAgent => $ip) {
+            $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                '192.168.0.1'
+            ));
+            $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                $ip
+            ));
+        }
+    }
+
+    public function testVerifyJigsawWebcrawler()
     {
         $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
-        $userAgent = 'istellabot/t.1';
+        $userAgent = 'Jigsaw/2.3.0 W3C_CSS_Validator_JFouffa/2.0';
 
         $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
             $userAgent,
@@ -221,14 +737,174 @@ public function testVerifyIstellaWebcrawler()
         ));
         $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
             $userAgent,
-            '217.73.208.150'
+            '128.30.52.41'
         ));
     }
 
+    public function testVerifyLinkedInIncWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgents = [
+            'LinkedInBot/1.0 (compatible; Mozilla/5.0; Jakarta Commons-HttpClient/3.1 +http://www.linkedin.com)'
+                => '216.52.242.13',
+            'LinkedInBot/1.0 (compatible; Mozilla/5.0; Apache-HttpClient +http://www.linkedin.com), libot/Nutch-1.9'
+                . ' (http://www.linkedin.com; libot@linkedin.com)' => '108.174.2.205',
+            'LinkedInBot/1.0 (compatible; Mozilla/5.0; Jakarta Commons-HttpClient/4.3 +http://www.linkedin.com)'
+                => '108.174.5.117'
+        ];
+
+        foreach ($userAgents as $userAgent => $ip) {
+            $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                '192.168.0.1'
+            ));
+            $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                $ip
+            ));
+        }
+    }
+
+    public function testVerifyLibrabotWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgents = [
+            'librabot/2.0 (+http://academic.research.microsoft.com/)' => '219.142.53.6',
+            'librabot/2.0 (+http://search.msn.com/msnbot.htm)' => '219.142.53.13',
+            'librabot/1.0 (+http://search.msn.com/msnbot.htm)' => '219.142.53.5'
+        ];
+
+        foreach ($userAgents as $userAgent => $ip) {
+            $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                '192.168.0.1'
+            ));
+            $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                $ip
+            ));
+        }
+    }
+
     public function testVerifyMailRUWebcrawler()
     {
         $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
-        $userAgent = 'Mozilla/5.0 (compatible; Linux x86_64; Mail.RU_Bot/2.0; +http://go.mail.ru/help/robots)';
+        $userAgents = [
+            'Mozilla/5.0 (compatible; Mail.RU/2.0c)' => '217.69.133.188',
+            'Mozilla/5.0 (compatible; Mail.RU/2.0)' => '217.69.133.29',
+            'Mail.RU/2.0' => '217.69.133.29',
+            'Mail.Ru/1.0' => '217.69.134.167'
+        ];
+
+        foreach ($userAgents as $userAgent => $ip) {
+            $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                '192.168.0.1'
+            ));
+            $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                $ip
+            ));
+        }
+    }
+
+    public function testVerifyMailRUBotWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgents = [
+            'Mozilla/5.0 (compatible; Linux x86_64; Mail.RU_Bot/2.0; +http://go.mail.ru/help/robots)'
+                => '217.69.136.209',
+            'Mozilla/5.0 (compatible; Linux x86_64; Mail.RU_Bot/Fast/2.0; +http://go.mail.ru/help/robots)'
+                => '217.69.133.249',
+            'Mozilla/5.0 (compatible; Linux x86_64; Mail.RU_Bot/Robots/2.0; +http://go.mail.ru/help/robots)'
+                => '217.69.143.63',
+            'Mozilla/5.0 (compatible; Linux x86_64; Mail.RU_Bot/Robots; +http://go.mail.ru/help/robots)'
+                => '217.69.143.70',
+            'Mozilla/5.0 (compatible; Linux x86_64; Mail.RU_Bot/Img/2.0; +http://go.mail.ru/help/robots)'
+                => '217.69.143.58',
+            'Mozilla/5.0 (compatible; Mail.RU_Bot/2.0; +http://go.mail.ru/help/robots)' => '217.69.133.67',
+            'Mozilla/5.0 (compatible; Mail.RU_Bot/2.0)' => '217.69.133.69'
+        ];
+
+        foreach ($userAgents as $userAgent => $ip) {
+            $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                '192.168.0.1'
+            ));
+            $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                $ip
+            ));
+        }
+    }
+
+    public function testVerifyMediapartnersGoogleWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgents = [
+            'Mozilla/5.0 (iPhone; U; CPU iPhone OS 10_0 like Mac OS X; en-us) AppleWebKit/602.1.38 (KHTML, like Gecko)'
+                . ' Version/10.0 Mobile/14A5297c Safari/602.1 (compatible; Mediapartners-Google/2.1;'
+                . ' +http://www.google.com/bot.html)' => '66.249.69.115',
+            'Mozilla/5.0 (iPhone; U; CPU iPhone OS 4_1 like Mac OS X; en-us) AppleWebKit/532.9 (KHTML, like Gecko)'
+                . ' Version/4.0.5 Mobile/8B117 Safari/6531.22.7 (compatible; Mediapartners-Google/2.1;'
+                . ' +http://www.google.com/bot.html)' => '66.249.75.96',
+            'Mediapartners-Google' => '66.249.76.70'
+        ];
+
+        foreach ($userAgents as $userAgent => $ip) {
+            $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                '192.168.0.1'
+            ));
+            $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                $ip
+            ));
+        }
+    }
+
+    public function testVerifyMsnbotWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgents = [
+            'msnbot-media/1.1 (+http://search.msn.com/msnbot.htm)' => '157.55.39.76',
+            'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/534+ (KHTML, like Gecko) MsnBot-Media /1.0b'
+                => '207.46.13.228',
+            'msnbot-media/2.0b (+http://search.msn.com/msnbot.htm)' => '207.46.13.190',
+            'msnbot-media/1.0 (+http://search.msn.com/msnbot.htm)' => '157.55.39.179'
+        ];
+
+        foreach ($userAgents as $userAgent => $ip) {
+            $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                '192.168.0.1'
+            ));
+            $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                $ip
+            ));
+        }
+    }
+
+    public function testVerifyMSRBOTWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgent = 'MSRBOT';
+
+        $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '192.168.0.1'
+        ));
+        $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '131.107.151.126'
+        ));
+    }
+
+    public function testVerifySputnikImageBotWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgent = 'NING/1.0';
 
         $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
             $userAgent,
@@ -236,14 +912,14 @@ public function testVerifyMailRUWebcrawler()
         ));
         $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
             $userAgent,
-            '217.69.133.191'
+            '128.30.52.55'
         ));
     }
 
-    public function testVerifySearchmeWebcrawler()
+    public function testVerifyNINGWebcrawler()
     {
         $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
-        $userAgent = 'Wotbox/2.01 (+http://www.wotbox.com/bot/)';
+        $userAgent = 'Mozilla/5.0 (compatible; SputnikImageBot/2.3; +http://corp.sputnik.ru/webmaster)';
 
         $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
             $userAgent,
@@ -251,14 +927,36 @@ public function testVerifySearchmeWebcrawler()
         ));
         $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
             $userAgent,
-            '94.199.151.22'
+            '5.143.231.137'
         ));
     }
 
-    public function testVerifySeznamWebcrawler()
+    public function testVerifyoBotWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgents = [
+            'Mozilla/5.0 (compatible; oBot/2.3.1; http://filterdb.iss.net/crawler/)' => '206.253.224.14',
+            'Mozilla/5.0 (compatible; oBot/2.3.1; +http://filterdb.iss.net/crawler/)' => '194.153.113.35',
+            'Mozilla/5.0 (compatible; oBot/2.3.1; +http://www-935.ibm.com/services/us/index.wss/detail/iss/a1029077'
+                . '?cntxt=a1027244)' => '2001:1be0:1000:167:250:56ff:fe92:58c9'
+        ];
+
+        foreach ($userAgents as $userAgent => $ip) {
+            $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                '192.168.0.1'
+            ));
+            $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                $ip
+            ));
+        }
+    }
+
+    public function testVerifyOdklBotWebcrawler()
     {
         $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
-        $userAgent = 'Mozilla/5.0 (compatible; SeznamBot/3.2; +http://napoveda.seznam.cz/en/seznambot-intro/)';
+        $userAgent = 'OdklBot/1.0 (klass@odnoklassniki.ru)';
 
         $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
             $userAgent,
@@ -266,11 +964,70 @@ public function testVerifySeznamWebcrawler()
         ));
         $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
             $userAgent,
-            '77.75.77.54'
+            '217.20.145.18'
         ));
     }
 
-    public function testVerifySputnikWebcrawler()
+    public function testVerifySeznamWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgents = [
+            'Mozilla/5.0 (compatible; SeznamBot/3.2-test1-1; +http://napoveda.seznam.cz/en/seznambot-intro/)'
+                => '77.75.74.87',
+            'Mozilla/5.0 (compatible; SeznamBot/3.2-test1; +http://napoveda.seznam.cz/en/seznambot-intro/)'
+                => '2a02:598:111::9',
+            'Seznam-Zbozi-robot/3.0'
+                => '77.75.77.24',
+            'Mozilla/5.0 (compatible; SeznamBot/3.2-test4; +http://napoveda.seznam.cz/en/seznambot-intro/)'
+                => '77.75.74.87',
+            'Mozilla/5.0 PhantomJS (compatible; Seznam screenshot-generator 2.1; +http://fulltext.sblog.cz/screenshot/)'
+                => '77.75.77.174',
+            'Mozilla/5.0 (compatible; SeznamBot/3.2-test2; +http://napoveda.seznam.cz/en/seznambot-intro/)'
+                => '77.75.74.87',
+            'Mozilla/5.0 (compatible; SeznamBot/3.2; +http://napoveda.seznam.cz/en/seznambot-intro/)'
+                => '77.75.76.163',
+            'Mozilla/5.0 (compatible; Seznam screenshot-generator 2.1; +http://fulltext.sblog.cz/screenshot/)'
+                => '77.75.74.248',
+            'Mozilla/5.0 (compatible; SeznamBot/3.2-test1; +http://fulltext.sblog.cz/)' => '2a02:598:111::9',
+            'Mozilla/5.0 (compatible; SeznamBot/3.2-test4; +http://fulltext.sblog.cz/)' => '77.75.74.41',
+            'Mozilla/5.0 (compatible; SeznamBot/3.2; +http://fulltext.sblog.cz/)' => '77.75.74.87',
+            'Seznam-Zbozi-robot/3.2.1' => '77.75.74.248',
+            'SeznamBot/2.0 (+http://fulltext.sblog.cz/robot/)' => '77.75.74.87',
+            'Seznam-Zbozi-robot/3.2.2' => '77.75.77.24',
+            'Mozilla/5.0 (compatible; SeznamBot/3.2-test2; +http://fulltext.sblog.cz/)'
+                => '2a02:598:111::9',
+            'Mozilla/5.0 (compatible; SeznamBot/3.2-test3; +http://fulltext.sblog.cz/)' => '77.75.74.248',
+            'Seznam-Zbozi-robot/3.3' => '77.75.77.24',
+            'SklikBot/2.0 (sklik@firma.seznam.cz;+http://napoveda.sklik.cz/)' => '77.75.77.24',
+            'SeznamBot/3.0 (+http://fulltext.sblog.cz/)' => '77.75.77.24',
+            'Mozilla/5.0 (compatible; SeznamBot/3.1-test1; +http://fulltext.sblog.cz/)' => '77.75.74.41',
+            'Mozilla/5.0 (Linux; U; Android 4.1.2; cs-cz; Seznam screenshot-generator Build/Q3) AppleWebKit/534.30'
+                . ' (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30' => '77.75.77.123',
+            'SeznamBot/3.0-test (+http://fulltext.sblog.cz/), I' => '77.75.74.248',
+            'SeznamBot/3.0 (HaF+http://fulltext.sblog.cz/)' => '77.75.74.41',
+            'SeznamBot/3.0-test (+http://fulltext.sblog.cz/)' => '77.75.74.41',
+            'SeznamBot/3.0-beta (+http://fulltext.sblog.cz/), I' => '77.75.74.248',
+            'SeznamBot/3.0-beta (+http://fulltext.sblog.cz/)' => '77.75.77.123',
+            'SeznamBot/3.0-alpha (+http://fulltext.sblog.cz/)' => '77.75.77.39',
+            'SeznamBot/2.0 (+http://fulltext.seznam.cz/)' => '77.75.77.39',
+            'SeznamBot/2.0-Test (+http://fulltext.sblog.cz/robot/)' => '77.75.77.39',
+            'Mozilla/5.0 (compatible; Seznam screenshot-generator 2.0; +http://fulltext.sblog.cz/screenshot/)'
+                => '77.75.77.39'
+        ];
+
+        foreach ($userAgents as $userAgent => $ip) {
+            $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                '192.168.0.1'
+            ));
+            $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                $ip
+            ));
+        }
+    }
+
+    public function testVerifySputnikBotWebcrawler()
     {
         $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
         $userAgent = 'Mozilla/5.0 (compatible; SputnikBot/2.3; +http://corp.sputnik.ru/webmaster)';
@@ -285,6 +1042,21 @@ public function testVerifySputnikWebcrawler()
         ));
     }
 
+    public function testVerifySputnikFaviconBotWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgent = 'Mozilla/5.0 (compatible; SputnikFaviconBot/1.2; +http://corp.sputnik.ru/webmaster)';
+
+        $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '192.168.0.1'
+        ));
+        $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '95.167.189.16'
+        ));
+    }
+
     public function testVerifySteelerWebcrawler()
     {
         $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
@@ -296,11 +1068,11 @@ public function testVerifySteelerWebcrawler()
         ));
         $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
             $userAgent,
-            '157.82.156.129'
+            '157.82.156.152'
         ));
     }
 
-    public function testVerifyTwitterWebcrawler()
+    public function testVerifyTwitterbotWebcrawler()
     {
         $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
         $userAgent = 'Twitterbot/1.0';
@@ -313,16 +1085,48 @@ public function testVerifyTwitterWebcrawler()
             $userAgent,
             '199.16.156.126'
         ));
+    }
+
+    public function testVerifyTurnitinLLCWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgents = [
+            'TurnitinBot (https://turnitin.com/robot/crawlerinfo.html)' => '38.111.147.83',
+            'TurnitinBot/3.0 (http://www.turnitin.com/robot/crawlerinfo.html)' => '38.111.147.84',
+            'TurnitinBot/2.1 (http://www.turnitin.com/robot/crawlerinfo.html)' => '38.111.147.83'
+        ];
+
+        foreach ($userAgents as $userAgent => $ip) {
+            $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                '192.168.0.1'
+            ));
+            $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                $ip
+            ));
+        }
+    }
+
+    public function testVerifyValidatorNuWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgent = 'Validator.nu/LV';
+
+        $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '192.168.0.1'
+        ));
         $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
             $userAgent,
-            '199.59.148.209'
+            '128.30.52.5'
         ));
     }
 
-    public function testVerifyYahooWebcrawler()
+    public function testVerifyW3CI18nCheckerWebcrawler()
     {
         $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
-        $userAgent = 'Mozilla/5.0 (compatible; Yahoo! Slurp; http://help.yahoo.com/help/us/ysearch/slurp)';
+        $userAgent = 'W3C_I18n-Checker/1.0';
 
         $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
             $userAgent,
@@ -330,53 +1134,602 @@ public function testVerifyYahooWebcrawler()
         ));
         $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
             $userAgent,
-            '68.180.230.162'
+            '128.30.52.38'
         ));
     }
 
-    public function testVerifyYandexWebcrawler()
+    public function testVerifyW3CUnicornWebcraler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgent = 'W3C_Unicorn/1.0';
+
+        $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '192.168.0.1'
+        ));
+        $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '128.30.52.58'
+        ));
+    }
+
+    public function testVerifyW3CValidatorWebcraler()
     {
         $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
-        $standardUserAgent = 'Mozilla/5.0 (compatible; YandexBot/3.0; +http://yandex.com/bots)';
+        $userAgent = 'W3C_Validator/1.3';
 
         $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
-            $standardUserAgent,
+            $userAgent,
             '192.168.0.1'
         ));
         $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
-            $standardUserAgent,
-            '95.108.129.196'
+            $userAgent,
+            '128.30.52.58'
+        ));
+    }
+
+    public function testVerifyW3CChecklinkWebcraler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgent = 'W3C-checklink';
+
+        $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '192.168.0.1'
         ));
         $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
-            $standardUserAgent,
-            '37.9.118.28'
+            $userAgent,
+            '128.30.52.114'
         ));
+    }
 
-        $directFetcherUserAgent = 'Mozilla/5.0 (compatible; YaDirectFetcher/1.0; Dyatel; +http://yandex.com/bots)';
+    public function testVerifyW3CMobileOKWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgent = 'W3C-mobileOK/DDC-1.0';
 
         $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
-            $directFetcherUserAgent,
+            $userAgent,
             '192.168.0.1'
         ));
         $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
-            $directFetcherUserAgent,
-            '95.108.129.196'
+            $userAgent,
+            '128.30.52.213'
         ));
     }
 
-    public function testVerifyMultipleWebcrawler()
+    public function testVerifyWotboxWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgents = [
+            'Wotbox/2.01 (+http://www.wotbox.com/bot/)' => '94.199.151.22',
+            'Wotbox/2.0 (bot@wotbox.com; http://www.wotbox.com)' => '94.199.151.22'
+        ];
+
+        foreach ($userAgents as $userAgent => $ip) {
+            $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                '192.168.0.1'
+            ));
+            $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                $ip
+            ));
+        }
+    }
+
+    public function testVerifyYJASRWebcralwer()
     {
         $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
-        $userAgent = 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_1) AppleWebKit/601.2.4 (KHTML, like Gecko)'
-            . ' Version/9.0.1 Safari/601.2.4 facebookexternalhit/1.1 Facebot Twitterbot/1.0';
+        $userAgent = 'Y!J-ASR/0.1 crawler (http://www.yahoo-help.jp/app/answers/detail/p/595/a_id/42716/)';
 
         $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
             $userAgent,
             '192.168.0.1'
         ));
+        $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '68.180.230.37'
+        ));
+    }
+
+    public function testVerifyYJBRIWebcralwer()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgent = 'Y!J-ASR/0.1 crawler (http://www.yahoo-help.jp/app/answers/detail/p/595/a_id/42716/)';
+
         $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
             $userAgent,
-            '92.246.177.177'
+            '192.168.0.1'
+        ));
+        $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '68.180.230.37'
+        ));
+    }
+
+    public function testVerifyYJBRJYATSWebcralwer()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgent = 'Y!J-BRJ/YATS crawler (http://help.yahoo.co.jp/help/jp/search/indexing/indexing-15.html)';
+
+        $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '192.168.0.1'
+        ));
+        $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '68.180.230.37'
+        ));
+    }
+
+    public function testVerifyYJBROYFSJWebcralwer()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgent = 'Y!J-BRO/YFSJ crawler (compatible; Mozilla 4.0; MSIE 5.5;'
+            . ' http://help.yahoo.co.jp/help/jp/search/indexing/indexing-15.html; YahooFeedSeekerJp/2.0)';
+
+        $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '192.168.0.1'
+        ));
+        $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '68.180.230.37'
+        ));
+    }
+
+    public function testVerifyYJBRWWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgent = 'Y!J-BRW/1.0 crawler (http://help.yahoo.co.jp/help/jp/search/indexing/indexing-15.html)';
+
+        $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '192.168.0.1'
+        ));
+        $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '68.180.230.37'
+        ));
+    }
+
+    public function testVerifyYJBSCWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgent = 'Y!J-BSC/1.0 crawler (http://help.yahoo.co.jp/help/jp/blog-search/)';
+
+        $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '192.168.0.1'
+        ));
+        $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '68.180.230.37'
+        ));
+    }
+
+    public function testVerifyYaDirectFetcherWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgents = [
+            'Mozilla/5.0 (compatible; YaDirectFetcher/1.0; +http://yandex.com/bots)' => '141.8.183.14',
+            'Mozilla/5.0 (compatible; YaDirectFetcher/1.0; Dyatel; +http://yandex.com/bots)' => '178.154.149.11'
+        ];
+
+        foreach ($userAgents as $userAgent => $ip) {
+            $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                '192.168.0.1'
+            ));
+            $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                $ip
+            ));
+        }
+    }
+
+    public function testVerifyYahooSiteExplorerFeedValidatorWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgent = 'Yahoo! Site Explorer Feed Validator http://help.yahoo.com/l/us/yahoo/search/siteexplorer/manage/';
+
+        $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '192.168.0.1'
+        ));
+        $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '68.180.229.39'
+        ));
+    }
+
+    public function testVerifyYahooSlurpWebcralwer()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgents = [
+            'Mozilla/5.0 (compatible; Yahoo! Slurp; http://help.yahoo.com/help/us/ysearch/slurp)' => '68.180.228.233',
+            'Mozilla/5.0 (compatible; Yahoo! Slurp/3.0; http://help.yahoo.com/help/us/ysearch/slurp)'
+                => '68.180.228.215',
+            'Mozilla/5.0 (compatible; Yahoo! Slurp China; http://misc.yahoo.com.cn/help.html)' => '68.180.229.39'
+        ];
+
+        foreach ($userAgents as $userAgent => $ip) {
+            $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                '192.168.0.1'
+            ));
+            $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                $ip
+            ));
+        }
+    }
+
+    public function testVerifyYahooCacheSystemWebcralwer()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgent = 'YahooCacheSystem';
+
+        $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '192.168.0.1'
+        ));
+        $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '68.180.230.37'
+        ));
+    }
+
+    public function testVerifyYahooMMCrawlerWebcralwer()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgent = 'YahooSeeker-Testing/v3.9 (compatible; Mozilla 4.0; MSIE 5.5; http://search.yahoo.com/)';
+
+        $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '192.168.0.1'
+        ));
+        $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '68.180.230.37'
+        ));
+    }
+
+    public function testVerifyYahooSeekerTestingWebcralwer()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgent = 'YahooSeeker-Testing/v3.9 (compatible; Mozilla 4.0; MSIE 5.5; http://search.yahoo.com/)';
+
+        $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '192.168.0.1'
+        ));
+        $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '68.180.230.37'
+        ));
+    }
+
+    public function testVerifyYahooYSMcmWebcralwer()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgent = 'Mozilla/5.0 (YahooYSMcm/3.0.0; http://help.yahoo.com)';
+
+        $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '192.168.0.1'
+        ));
+        $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '68.180.230.37'
+        ));
+    }
+
+    public function testVerifyYandexTranslateWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgents = [
+            'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/48.0.2564.103'
+                . ' Safari/537.36 Yandex.Translate' => '141.8.153.124',
+            'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/48.0.2564.97'
+                . ' Safari/537.36 Yandex.Translate' => '84.201.138.106',
+            'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.111'
+                . ' Safari/537.36 Yandex.Translate' => '141.8.153.116',
+            'Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.86'
+                . ' YaBrowser/15.12.0.6151 Safari/537.36 Yandex.Translate' => '84.201.148.1'
+        ];
+
+        foreach ($userAgents as $userAgent => $ip) {
+            $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                '192.168.0.1'
+            ));
+            $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                $ip
+            ));
+        }
+    }
+
+    public function testVerifyYandexWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgents = [
+            'Yandex/1.01.001 (compatible; Win16; I)' => '93.158.152.40',
+            'Yandex/1.01.001 (compatible; Win16; H)' => '141.8.132.28',
+            'Yandex/1.01.001 (compatible; Win16; P)' => '37.9.122.202',
+            'Yandex/1.01.001 (compatible; Win16; m)' => '5.255.253.26'
+        ];
+
+        foreach ($userAgents as $userAgent => $ip) {
+            $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                '192.168.0.1'
+            ));
+            $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                $ip
+            ));
+        }
+    }
+
+    public function testVerifyYandexAntivirusWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgent = 'Mozilla/5.0 (compatible; YandexAntivirus/2.0; +http://yandex.com/bots)';
+
+        $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '192.168.0.1'
+        ));
+        $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '37.9.102.123'
+        ));
+    }
+
+    public function testVerifyYandexBlogsWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgent = 'Mozilla/5.0 (compatible; YandexBlogs/0.99; robot; +http://yandex.com/bots)';
+
+        $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '192.168.0.1'
+        ));
+        $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '37.9.122.202'
+        ));
+    }
+
+    public function testVerifyYandexBotWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgents = [
+            'Mozilla/5.0 (compatible; YandexBot/3.0; +http://yandex.com/bots)' => '93.158.152.40',
+            'Mozilla/5.0 (compatible; YandexBot/3.0; MirrorDetector; +http://yandex.com/bots)' => '5.255.253.26'
+        ];
+
+        foreach ($userAgents as $userAgent => $ip) {
+            $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                '192.168.0.1'
+            ));
+            $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                $ip
+            ));
+        }
+    }
+
+    public function testVerifyYandexCatalogWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgent = 'Mozilla/5.0 (compatible; YandexCatalog/3.0; +http://yandex.com/bots)';
+
+        $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '192.168.0.1'
+        ));
+        $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '141.8.132.83'
+        ));
+    }
+
+    public function testVerifyYandexDirectWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgent = 'Mozilla/5.0 (compatible; YandexDirect/3.0; +http://yandex.com/bots)';
+
+        $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '192.168.0.1'
+        ));
+        $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '213.180.206.205'
+        ));
+    }
+
+    public function testVerifyYandexFaviconsWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgent = 'Mozilla/5.0 (compatible; YandexFavicons/1.0; +http://yandex.com/bots)';
+
+        $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '192.168.0.1'
+        ));
+        $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '37.9.84.253'
+        ));
+    }
+
+    public function testVerifyYandexImageResizerWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgent = 'Mozilla/5.0 (compatible; YandexImageResizer/2.0; +http://yandex.com/bots)';
+
+        $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '192.168.0.1'
+        ));
+        $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '87.250.253.69'
+        ));
+    }
+
+    public function testVerifyYandexImagesWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgent = 'Mozilla/5.0 (compatible; YandexImages/3.0; +http://yandex.com/bots)';
+
+        $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '192.168.0.1'
+        ));
+        $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '130.193.50.2'
+        ));
+    }
+
+    public function testVerifyYandexMediaWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgent = 'Mozilla/5.0 (compatible; YandexMedia/3.0; +http://yandex.com/bots)';
+
+        $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '192.168.0.1'
+        ));
+        $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '5.255.253.2'
+        ));
+    }
+
+    public function testVerifyYandexMetrikaWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgents = [
+            'Mozilla/5.0 (compatible; YandexMetrika/2.0; +http://yandex.com/bots mtmon01e.yandex.ru)'
+                => '95.108.129.196',
+            'Mozilla/5.0 (compatible; YandexMetrika/2.0; +http://yandex.com/bots mtmon01g.yandex.ru)'
+                => '213.180.206.196',
+            'Mozilla/5.0 (compatible; YandexMetrika/2.0; +http://yandex.com/bots mtmon01i.yandex.ru)'
+                => '37.9.118.28',
+            'Mozilla/5.0 (compatible; YandexMetrika/2.0; +http://yandex.com/bots)' => '37.9.118.29',
+            'Mozilla/5.0 (compatible; YandexMetrika/2.0; +http://yandex.com/bots mtweb01t.yandex.ru)'
+                => '178.154.224.114',
+            'Mozilla/5.0 (compatible; YandexMetrika/2.0; +http://yandex.com/bots DEV)' => '213.180.206.205'
+        ];
+
+        foreach ($userAgents as $userAgent => $ip) {
+            $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                '192.168.0.1'
+            ));
+            $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+                $userAgent,
+                $ip
+            ));
+        }
+    }
+
+    public function testVerifyYandexMobileBotWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgent = 'Mozilla/5.0 (iPhone; CPU iPhone OS 8_1 like Mac OS X) AppleWebKit/600.1.4 (KHTML, like Gecko)'
+            . ' Version/8.0 Mobile/12B411 Safari/600.1.4 (compatible; YandexMobileBot/3.0; +http://yandex.com/bots)';
+
+        $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '192.168.0.1'
+        ));
+        $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '37.9.122.201'
+        ));
+    }
+
+    public function testVerifyYandexPagecheckerWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgent = 'YandexSomething/1.0';
+
+        $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '192.168.0.1'
+        ));
+        $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '5.255.253.2'
+        ));
+    }
+
+    public function testVerifyYandexSomethingWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgent = 'YandexSomething/1.0';
+
+        $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '192.168.0.1'
+        ));
+        $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '37.9.122.202'
+        ));
+    }
+
+    public function testVerifyYandexVideoWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgent = 'Mozilla/5.0 (compatible; YandexVideo/3.0; +http://yandex.com/bots)';
+
+        $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '192.168.0.1'
+        ));
+        $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '141.8.142.60'
+        ));
+    }
+
+    public function testVerifyYandexWebmasterWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgent = 'Mozilla/5.0 (compatible; YandexWebmaster/2.0; +http://yandex.com/bots)';
+
+        $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '192.168.0.1'
+        ));
+        $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '37.9.122.202'
+        ));
+    }
+
+    public function testVerifyYandexZakladkiWebcrawler()
+    {
+        $webcrawlerVerifier = new \WebcrawlerVerifier\WebcrawlerVerifier();
+        $userAgent = 'Mozilla/5.0 (compatible; YandexZakladki/3.0; +http://yandex.com/bots)';
+
+        $this->assertEquals($webcrawlerVerifier::UNVERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '192.168.0.1'
+        ));
+        $this->assertEquals($webcrawlerVerifier::VERIFIED, $webcrawlerVerifier->verify(
+            $userAgent,
+            '37.9.122.202'
         ));
     }
 }