diff --git a/package.json b/package.json
index 0b20bf4..9e38136 100644
--- a/package.json
+++ b/package.json
@@ -35,34 +35,33 @@
     "express-validator": "^6.14.2",
     "graphql": "^15.8.0",
     "graphql-tag": "^2.12.6",
-    "helmet": "^5.1.0",
-    "ip-cidr": "^3.0.10",
+    "helmet": "^5.1.1",
     "jsonwebtoken": "^8.5.1",
     "moment": "^2.29.4",
     "mongodb": "^4.7.0",
     "mongoose": "^6.4.0",
-    "pino": "^8.3.1",
+    "pino": "^8.4.0",
     "pino-pretty": "^8.1.0",
-    "swagger-ui-express": "^4.4.0",
+    "swagger-ui-express": "^4.5.0",
     "switcher-client": "^3.1.1",
     "validator": "^13.7.0"
   },
   "devDependencies": {
-    "@babel/cli": "^7.17.10",
-    "@babel/core": "^7.7.10",
-    "@babel/node": "^7.7.10",
-    "@babel/preset-env": "^7.17.10",
-    "@babel/register": "^7.17.7",
+    "@babel/cli": "^7.18.10",
+    "@babel/core": "^7.18.10",
+    "@babel/node": "^7.18.10",
+    "@babel/preset-env": "^7.18.10",
+    "@babel/register": "^7.18.9",
     "babel-jest": "^28.1.1",
     "babel-polyfill": "^6.26.0",
     "env-cmd": "^10.1.0",
     "eslint": "^8.18.0",
-    "jest": "^28.1.1",
+    "jest": "^28.1.3",
     "jest-sonar-reporter": "^2.0.0",
     "node-notifier": "^10.0.1",
-    "nodemon": "^2.0.18",
+    "nodemon": "^2.0.19",
     "sinon": "^14.0.0",
-    "supertest": "^6.2.3"
+    "supertest": "^6.2.4"
   },
   "repository": {
     "type": "git",
diff --git a/src/helpers/ipcidr.js b/src/helpers/ipcidr.js
new file mode 100644
index 0000000..94453d0
--- /dev/null
+++ b/src/helpers/ipcidr.js
@@ -0,0 +1,17 @@
+class IPCIDR {
+  constructor(cidr) {
+    this.cidr = cidr;
+  }
+
+  ip4ToInt(ip) {
+    return ip.split('.').reduce((int, oct) => (int << 8) + parseInt(oct, 10), 0) >>> 0;
+  }
+
+  isIp4InCidr(ip) {
+    const [range, bits = 32] = this.cidr.split('/');
+    const mask = ~(2 ** (32 - Number(bits)) - 1);
+    return (this.ip4ToInt(ip) & mask) === (this.ip4ToInt(range) & mask);
+  }
+}
+
+module.exports = IPCIDR;
\ No newline at end of file
diff --git a/src/models/config-strategy.js b/src/models/config-strategy.js
index 4f5c883..6a1daa4 100644
--- a/src/models/config-strategy.js
+++ b/src/models/config-strategy.js
@@ -2,9 +2,9 @@ import mongoose from 'mongoose';
 import History from './history';
 import { recordHistory } from './common/index';
 import moment from 'moment';
-import IPCIDR from 'ip-cidr';
 import { NotFoundError } from '../exceptions';
 import { parseJSON, payloadReader } from '../helpers';
+import IPCIDR from '../helpers/ipcidr';
 
 export const StrategiesType = Object.freeze({
     NETWORK: 'NETWORK_VALIDATION',
@@ -181,7 +181,7 @@ function processNETWORK_Exist(input, values, cidrRegex) {
     for (const value of values) {
         if (value.match(cidrRegex)) {
             const cidr = new IPCIDR(value);
-            if (cidr.contains(input)) {
+            if (cidr.isIp4InCidr(input)) {
                 return true;
             }
         } else {
@@ -192,10 +192,10 @@ function processNETWORK_Exist(input, values, cidrRegex) {
 }
 
 function processNETWORK_NotExist(input, values, cidrRegex) {
-    const result = values.filter(element => {
+    const result = values.filter((element) => {
         if (element.match(cidrRegex)) {
             const cidr = new IPCIDR(element);
-            if (cidr.contains(input)) {
+            if (cidr.isIp4InCidr(input)) {
                 return true;
             }
         } else {