diff --git a/.gitignore b/.gitignore
index ce3e1b1..36fda64 100644
--- a/.gitignore
+++ b/.gitignore
@@ -253,3 +253,4 @@ paket-files/
 
 #SoundCloud
 *.sonarqube/
+.sonarlint
diff --git a/nanoFramework.System.Net/NetworkInformation/IPGlobalProperties.cs b/nanoFramework.System.Net/NetworkInformation/IPGlobalProperties.cs
new file mode 100644
index 0000000..2ad328d
--- /dev/null
+++ b/nanoFramework.System.Net/NetworkInformation/IPGlobalProperties.cs
@@ -0,0 +1,25 @@
+//
+// Copyright (c) .NET Foundation and Contributors
+// See LICENSE file in the project root for full license information.
+//
+
+using System.Runtime.CompilerServices;
+
+namespace System.Net.NetworkInformation
+{
+    /// <summary>
+    /// Provides information about the network connectivity of the local computer.
+    /// </summary>
+    public static class IPGlobalProperties
+    {
+        /// <summary>
+        /// Gets the IP address of the network interface.
+        /// </summary>
+        /// <returns>An <see cref="IPAddress"/> if a valid IP address is available; otherwise, an <see cref="IPAddress.Any"/>.</returns>
+        /// <remarks>
+        /// This method is exclusive of .NET nanoFramework.
+        /// </remarks>
+        [MethodImpl(MethodImplOptions.InternalCall)]
+        public extern static IPAddress GetIPAddress();
+    }
+}
diff --git a/nanoFramework.System.Net/NetworkInformation/NetworkInterface.cs b/nanoFramework.System.Net/NetworkInformation/NetworkInterface.cs
index 77191d5..df292e8 100644
--- a/nanoFramework.System.Net/NetworkInformation/NetworkInterface.cs
+++ b/nanoFramework.System.Net/NetworkInformation/NetworkInterface.cs
@@ -22,12 +22,12 @@ public class NetworkInterface
         [Flags]
         internal enum UpdateOperation : byte
         {
-            Invalid =       0x00,
-            Dns =           0x01,
-            Dhcp =          0x02,
-            DhcpRenew =     0x04,
-            DhcpRelease =   0x08,
-            Mac =           0x10,
+            Invalid = 0x00,
+            Dns = 0x01,
+            Dhcp = 0x02,
+            DhcpRenew = 0x04,
+            DhcpRelease = 0x08,
+            Mac = 0x10,
         }
 
         private readonly int _interfaceIndex;
@@ -53,6 +53,13 @@ internal enum UpdateOperation : byte
 
         private NetworkInterfaceType _networkInterfaceType;
 
+        /// <summary>
+        /// Indicates whether any network connection is available.
+        /// </summary>
+        /// <returns><see langword="true"/> if a network connection is available; otherwise, <see langword="false"/>.</returns>
+        [MethodImpl(MethodImplOptions.InternalCall)]
+        public extern static bool GetIsNetworkAvailable();
+
         /// <summary>
         /// Initializes a new instance of the <see cref="NetworkInterface"/> class.
         /// </summary>
diff --git a/nanoFramework.System.Net/Properties/AssemblyInfo.cs b/nanoFramework.System.Net/Properties/AssemblyInfo.cs
index fb40718..6215019 100644
--- a/nanoFramework.System.Net/Properties/AssemblyInfo.cs
+++ b/nanoFramework.System.Net/Properties/AssemblyInfo.cs
@@ -12,7 +12,7 @@
 
 ////////////////////////////////////////////////////////////////
 // update this whenever the native assembly signature changes //
-[assembly: AssemblyNativeVersion("100.1.3.1")]
+[assembly: AssemblyNativeVersion("100.1.3.2")]
 ////////////////////////////////////////////////////////////////
 
 // Setting ComVisible to false makes the types in this assembly not visible 
diff --git a/nanoFramework.System.Net/System.Net.nfproj b/nanoFramework.System.Net/System.Net.nfproj
index a92c29b..a08aaee 100644
--- a/nanoFramework.System.Net/System.Net.nfproj
+++ b/nanoFramework.System.Net/System.Net.nfproj
@@ -32,11 +32,51 @@
     <NF_GenerateStubsDirectory>bin\$(Configuration)\Stubs</NF_GenerateStubsDirectory>
     <NF_GenerateSkeletonProjectName>sys_net_native</NF_GenerateSkeletonProjectName>
     <Name>System.Net</Name>
+    <CodeAnalysisRuleSet>..\.sonarlint\nanoframework_lib-nanoframework.system.netcsharp.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
   <ItemGroup>
     <NFMDP_PE_ExcludeClassByName Include="ThisAssembly">
       <InProject>false</InProject>
     </NFMDP_PE_ExcludeClassByName>
+    <NFMDP_PE_ExcludeClassByName Include="NetworkInformationOptions">
+      <InProject>false</InProject>
+    </NFMDP_PE_ExcludeClassByName>
+    <NFMDP_PE_ExcludeClassByName Include="PhyProtocols">
+      <InProject>false</InProject>
+    </NFMDP_PE_ExcludeClassByName>
+    <NFMDP_PE_ExcludeClassByName Include="SslProtocols">
+      <InProject>false</InProject>
+    </NFMDP_PE_ExcludeClassByName>
+    <NFMDP_PE_ExcludeClassByName Include="SslVerification">
+      <InProject>false</InProject>
+    </NFMDP_PE_ExcludeClassByName>
+    <NFMDP_PE_ExcludeClassByName Include="AddressFamily">
+      <InProject>false</InProject>
+    </NFMDP_PE_ExcludeClassByName>
+    <NFMDP_PE_ExcludeClassByName Include="ProtocolFamily">
+      <InProject>false</InProject>
+    </NFMDP_PE_ExcludeClassByName>
+    <NFMDP_PE_ExcludeClassByName Include="ProtocolType">
+      <InProject>false</InProject>
+    </NFMDP_PE_ExcludeClassByName>
+    <NFMDP_PE_ExcludeClassByName Include="SelectMode">
+      <InProject>false</InProject>
+    </NFMDP_PE_ExcludeClassByName>
+    <NFMDP_PE_ExcludeClassByName Include="SocketError">
+      <InProject>false</InProject>
+    </NFMDP_PE_ExcludeClassByName>
+    <NFMDP_PE_ExcludeClassByName Include="SocketFlags">
+      <InProject>false</InProject>
+    </NFMDP_PE_ExcludeClassByName>
+    <NFMDP_PE_ExcludeClassByName Include="SocketOptionLevel">
+      <InProject>false</InProject>
+    </NFMDP_PE_ExcludeClassByName>
+    <NFMDP_PE_ExcludeClassByName Include="SocketOptionName">
+      <InProject>false</InProject>
+    </NFMDP_PE_ExcludeClassByName>
+    <NFMDP_PE_ExcludeClassByName Include="SocketType">
+      <InProject>false</InProject>
+    </NFMDP_PE_ExcludeClassByName>
   </ItemGroup>
   <ItemGroup>
     <NFMDP_PE_LoadHints Include="..\packages\nanoFramework.CoreLibrary.1.10.1-preview.11\lib\mscorlib.dll">
@@ -57,6 +97,7 @@
     <Compile Include="IPEndPoint.cs" />
     <Compile Include="IPHostEntry.cs" />
     <Compile Include="NetworkInformation\AuthenticationType.cs" />
+    <Compile Include="NetworkInformation\IPGlobalProperties.cs" />
     <Compile Include="NetworkInformation\RadioType.cs" />
     <Compile Include="NetworkInformation\EncryptionType.cs" />
     <Compile Include="NetworkInformation\NetworkInformationOptions.cs" />
@@ -93,6 +134,7 @@
     <None Include="packages.config" />
   </ItemGroup>
   <ItemGroup>
+    <AdditionalFiles Include="..\.sonarlint\nanoframework_lib-nanoframework.system.net\CSharp\SonarLint.xml" Link="SonarLint.xml" />
     <Content Include="README.txt" />
   </ItemGroup>
   <ItemGroup>
@@ -122,4 +164,4 @@
     </PropertyGroup>
     <Error Condition="!Exists('..\packages\Nerdbank.GitVersioning.3.1.91\build\Nerdbank.GitVersioning.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Nerdbank.GitVersioning.3.1.91\build\Nerdbank.GitVersioning.targets'))" />
   </Target>
-</Project>
+</Project>
\ No newline at end of file
diff --git a/version.json b/version.json
index 67fe77b..a51b395 100644
--- a/version.json
+++ b/version.json
@@ -1,6 +1,6 @@
 {
   "$schema": "https://raw.githubusercontent.com/dotnet/Nerdbank.GitVersioning/master/src/NerdBank.GitVersioning/version.schema.json",
-  "version": "1.6.3-preview.{height}",
+  "version": "1.6.4-preview.{height}",
   "assemblyVersion": {
     "precision": "revision"
   },