diff --git a/.vscode/settings.json b/.vscode/settings.json
index 246e9c6..58aaa72 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -1,5 +1,5 @@
 {
   "editor.codeActionsOnSave": {
-    "source.fixAll.eslint": true
+    "source.fixAll.eslint": "explicit"
   }
 }
diff --git a/lib/ipfilter.js b/lib/ipfilter.js
index ac3f67d..17e6488 100644
--- a/lib/ipfilter.js
+++ b/lib/ipfilter.js
@@ -10,7 +10,7 @@
  * Module dependencies.
  */
 const _ = require('lodash')
-const iputil = require('ip')
+const iputil = require('neoip');
 const rangeCheck = require('range_check')
 const IpDeniedError = require('./deniedError')
 const proxyaddr = require('proxy-addr')
diff --git a/package-lock.json b/package-lock.json
index 1a2d5a0..fa6a6c1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,8 +9,8 @@
       "version": "1.3.2",
       "license": "MIT",
       "dependencies": {
-        "ip": "^2.0.1",
         "lodash": "^4.17.11",
+        "neoip": "^2.1.0",
         "proxy-addr": "^2.0.7",
         "range_check": "^2.0.4"
       },
@@ -1686,11 +1686,12 @@
       }
     },
     "node_modules/braces": {
-      "version": "3.0.2",
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/braces/-/braces-3.0.3.tgz",
+      "integrity": "sha512-yQbXgO/OSZVD2IsiLlro+7Hf6Q18EJrKSEsdoMzKePKXct3gvD8oLcOQdIzGupr5Fj+EDe8gO/lxc1BzfMpxvA==",
       "dev": true,
-      "license": "MIT",
       "dependencies": {
-        "fill-range": "^7.0.1"
+        "fill-range": "^7.1.1"
       },
       "engines": {
         "node": ">=8"
@@ -1985,9 +1986,9 @@
       }
     },
     "node_modules/cross-spawn": {
-      "version": "7.0.3",
-      "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-7.0.3.tgz",
-      "integrity": "sha512-iRDPJKUPVEND7dHPO8rkbOnPpyDygcDFtWjpeWNCgy8WP2rXcxXL8TskReQl6OrB2G7+UJrags1q15Fudc7G6w==",
+      "version": "7.0.6",
+      "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-7.0.6.tgz",
+      "integrity": "sha512-uV2QOWP2nWzsy2aMp8aRibhi9dlzF5Hgh5SHaB9OiTGEyDTiJJyx0uy51QXdyWbtAHNua4XJzUKca3OzKUd3vA==",
       "dev": true,
       "dependencies": {
         "path-key": "^3.1.0",
@@ -2722,9 +2723,10 @@
       }
     },
     "node_modules/fill-range": {
-      "version": "7.0.1",
+      "version": "7.1.1",
+      "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-7.1.1.tgz",
+      "integrity": "sha512-YsGpe3WHLK8ZYi4tWDg2Jy3ebRz2rXowDxnld4bkQB00cc/1Zw9AWnC0i9ztDJitivtQvaI9KaLyKrc+hBW0yg==",
       "dev": true,
-      "license": "MIT",
       "dependencies": {
         "to-regex-range": "^5.0.1"
       },
@@ -3057,11 +3059,6 @@
       "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==",
       "dev": true
     },
-    "node_modules/ip": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/ip/-/ip-2.0.1.tgz",
-      "integrity": "sha512-lJUL9imLTNi1ZfXT+DU6rBBdbiKGBuay9B6xGSPVjUeQwaH1RIGqef8RZkUtHioLmSNpPR5M4HVKJGm1j8FWVQ=="
-    },
     "node_modules/ip6": {
       "version": "0.2.10",
       "resolved": "https://registry.npmjs.org/ip6/-/ip6-0.2.10.tgz",
@@ -3137,6 +3134,15 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/is-number": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/is-number/-/is-number-7.0.0.tgz",
+      "integrity": "sha512-41Cifkg6e8TylSpdtTpeLVMqvSBEVzTttHvERD741+pnZ8ANv0004MRL43QKPDlK9cGvNp6NZWZUBlbGXYxxng==",
+      "dev": true,
+      "engines": {
+        "node": ">=0.12.0"
+      }
+    },
     "node_modules/is-stream": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/is-stream/-/is-stream-2.0.1.tgz",
@@ -4126,12 +4132,12 @@
       }
     },
     "node_modules/micromatch": {
-      "version": "4.0.5",
-      "resolved": "https://registry.npmjs.org/micromatch/-/micromatch-4.0.5.tgz",
-      "integrity": "sha512-DMy+ERcEW2q8Z2Po+WNXuw3c5YaUSFjAO5GsJqfEl7UjvtIuFKO6ZrKvcItdy98dwFI2N1tg3zNIdKaQT+aNdA==",
+      "version": "4.0.8",
+      "resolved": "https://registry.npmjs.org/micromatch/-/micromatch-4.0.8.tgz",
+      "integrity": "sha512-PXwfBhYu0hBCPw8Dn0E+WDYb7af3dSLVWKi3HGv84IdF4TyFoC0ysxFd0Goxw7nSv4T/PzEJQxsYsEiFCKo2BA==",
       "dev": true,
       "dependencies": {
-        "braces": "^3.0.2",
+        "braces": "^3.0.3",
         "picomatch": "^2.3.1"
       },
       "engines": {
@@ -4168,6 +4174,11 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/neoip": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/neoip/-/neoip-2.1.0.tgz",
+      "integrity": "sha512-4zQ8eVAmbBNV3Fmpm3Li2tNPnrU6UobMXpO1OZsY/Eg2AGOB+H8dZfAabMVrh7Xl9xAVIDcEIlUVA057Fi7QdA=="
+    },
     "node_modules/node-int64": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/node-int64/-/node-int64-0.4.0.tgz",
@@ -5033,8 +5044,9 @@
     },
     "node_modules/to-regex-range": {
       "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-5.0.1.tgz",
+      "integrity": "sha512-65P7iz6X5yEr1cwcgvQxbbIw7Uk3gOy5dIdtZ4rDveLqhrdJP+Li/Hx6tyK0NEb+2GCyneCMJiGqrADCSNk8sQ==",
       "dev": true,
-      "license": "MIT",
       "dependencies": {
         "is-number": "^7.0.0"
       },
@@ -5042,14 +5054,6 @@
         "node": ">=8.0"
       }
     },
-    "node_modules/to-regex-range/node_modules/is-number": {
-      "version": "7.0.0",
-      "dev": true,
-      "license": "MIT",
-      "engines": {
-        "node": ">=0.12.0"
-      }
-    },
     "node_modules/tslib": {
       "version": "1.11.1",
       "dev": true,
@@ -6576,10 +6580,12 @@
       }
     },
     "braces": {
-      "version": "3.0.2",
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/braces/-/braces-3.0.3.tgz",
+      "integrity": "sha512-yQbXgO/OSZVD2IsiLlro+7Hf6Q18EJrKSEsdoMzKePKXct3gvD8oLcOQdIzGupr5Fj+EDe8gO/lxc1BzfMpxvA==",
       "dev": true,
       "requires": {
-        "fill-range": "^7.0.1"
+        "fill-range": "^7.1.1"
       }
     },
     "browserslist": {
@@ -6782,9 +6788,9 @@
       }
     },
     "cross-spawn": {
-      "version": "7.0.3",
-      "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-7.0.3.tgz",
-      "integrity": "sha512-iRDPJKUPVEND7dHPO8rkbOnPpyDygcDFtWjpeWNCgy8WP2rXcxXL8TskReQl6OrB2G7+UJrags1q15Fudc7G6w==",
+      "version": "7.0.6",
+      "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-7.0.6.tgz",
+      "integrity": "sha512-uV2QOWP2nWzsy2aMp8aRibhi9dlzF5Hgh5SHaB9OiTGEyDTiJJyx0uy51QXdyWbtAHNua4XJzUKca3OzKUd3vA==",
       "dev": true,
       "requires": {
         "path-key": "^3.1.0",
@@ -7298,7 +7304,9 @@
       }
     },
     "fill-range": {
-      "version": "7.0.1",
+      "version": "7.1.1",
+      "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-7.1.1.tgz",
+      "integrity": "sha512-YsGpe3WHLK8ZYi4tWDg2Jy3ebRz2rXowDxnld4bkQB00cc/1Zw9AWnC0i9ztDJitivtQvaI9KaLyKrc+hBW0yg==",
       "dev": true,
       "requires": {
         "to-regex-range": "^5.0.1"
@@ -7531,11 +7539,6 @@
       "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==",
       "dev": true
     },
-    "ip": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/ip/-/ip-2.0.1.tgz",
-      "integrity": "sha512-lJUL9imLTNi1ZfXT+DU6rBBdbiKGBuay9B6xGSPVjUeQwaH1RIGqef8RZkUtHioLmSNpPR5M4HVKJGm1j8FWVQ=="
-    },
     "ip6": {
       "version": "0.2.10",
       "resolved": "https://registry.npmjs.org/ip6/-/ip6-0.2.10.tgz",
@@ -7586,6 +7589,12 @@
         "is-extglob": "^2.1.1"
       }
     },
+    "is-number": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/is-number/-/is-number-7.0.0.tgz",
+      "integrity": "sha512-41Cifkg6e8TylSpdtTpeLVMqvSBEVzTttHvERD741+pnZ8ANv0004MRL43QKPDlK9cGvNp6NZWZUBlbGXYxxng==",
+      "dev": true
+    },
     "is-stream": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/is-stream/-/is-stream-2.0.1.tgz",
@@ -8338,12 +8347,12 @@
       "dev": true
     },
     "micromatch": {
-      "version": "4.0.5",
-      "resolved": "https://registry.npmjs.org/micromatch/-/micromatch-4.0.5.tgz",
-      "integrity": "sha512-DMy+ERcEW2q8Z2Po+WNXuw3c5YaUSFjAO5GsJqfEl7UjvtIuFKO6ZrKvcItdy98dwFI2N1tg3zNIdKaQT+aNdA==",
+      "version": "4.0.8",
+      "resolved": "https://registry.npmjs.org/micromatch/-/micromatch-4.0.8.tgz",
+      "integrity": "sha512-PXwfBhYu0hBCPw8Dn0E+WDYb7af3dSLVWKi3HGv84IdF4TyFoC0ysxFd0Goxw7nSv4T/PzEJQxsYsEiFCKo2BA==",
       "dev": true,
       "requires": {
-        "braces": "^3.0.2",
+        "braces": "^3.0.3",
         "picomatch": "^2.3.1"
       }
     },
@@ -8368,6 +8377,11 @@
       "version": "1.4.0",
       "dev": true
     },
+    "neoip": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/neoip/-/neoip-2.1.0.tgz",
+      "integrity": "sha512-4zQ8eVAmbBNV3Fmpm3Li2tNPnrU6UobMXpO1OZsY/Eg2AGOB+H8dZfAabMVrh7Xl9xAVIDcEIlUVA057Fi7QdA=="
+    },
     "node-int64": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/node-int64/-/node-int64-0.4.0.tgz",
@@ -8970,15 +8984,11 @@
     },
     "to-regex-range": {
       "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-5.0.1.tgz",
+      "integrity": "sha512-65P7iz6X5yEr1cwcgvQxbbIw7Uk3gOy5dIdtZ4rDveLqhrdJP+Li/Hx6tyK0NEb+2GCyneCMJiGqrADCSNk8sQ==",
       "dev": true,
       "requires": {
         "is-number": "^7.0.0"
-      },
-      "dependencies": {
-        "is-number": {
-          "version": "7.0.0",
-          "dev": true
-        }
       }
     },
     "tslib": {
diff --git a/package.json b/package.json
index 5f09170..606d2c6 100644
--- a/package.json
+++ b/package.json
@@ -75,8 +75,8 @@
     ]
   },
   "dependencies": {
-    "ip": "^2.0.1",
     "lodash": "^4.17.11",
+    "neoip": "^2.1.0",
     "proxy-addr": "^2.0.7",
     "range_check": "^2.0.4"
   },