diff --git a/package-lock.json b/package-lock.json
index 3aafe6f..a9334eb 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -6718,11 +6718,6 @@
       "resolved": "https://registry.npmjs.org/invert-kv/-/invert-kv-1.0.0.tgz",
       "integrity": "sha1-EEqOSqym09jNFXqO+L+rLXo//bY="
     },
-    "ip": {
-      "version": "1.1.5",
-      "resolved": "https://registry.npmjs.org/ip/-/ip-1.1.5.tgz",
-      "integrity": "sha1-vd7XARQpCCjAoDnnLvJfWq7ENUo="
-    },
     "ip-address": {
       "version": "6.2.0",
       "resolved": "https://registry.npmjs.org/ip-address/-/ip-address-6.2.0.tgz",
diff --git a/package.json b/package.json
index 388bc3c..bf2d202 100644
--- a/package.json
+++ b/package.json
@@ -41,7 +41,6 @@
     "global": "^4.3.2",
     "hammerjs": "^2.0.8",
     "http-proxy-agent": "^3.0.0",
-    "ip": "^1.1.5",
     "ip-address": "^6.2.0",
     "isomorphic-fetch": "^2.2.1",
     "keycode": "^2.1.9",
diff --git a/src/core/isProxy.js b/src/core/isProxy.js
index 0d57a4e..eddcd72 100644
--- a/src/core/isProxy.js
+++ b/src/core/isProxy.js
@@ -2,10 +2,10 @@
  * @flow
  * */
 
-import IP from 'ip';
-import fetch from '../utils/proxiedFetch.js';
+import fetch from '../utils/proxiedFetch';
 
 import redis from '../data/redis';
+import { getIPv6Subnet } from '../utils/ip';
 import { Blacklist, Whitelist } from '../data/models';
 import logger from './logger';
 
@@ -108,11 +108,10 @@ async function getCombined(ip: string): Promise<boolean> {
  * @return true if blacklisted
  */
 async function isBlacklisted(ip: string): Promise<boolean> {
-  const numIp = IP.toLong(ip);
   const count = await Blacklist
     .count({
       where: {
-        numIp,
+        ip,
       },
     });
   return count !== 0;
@@ -124,11 +123,10 @@ async function isBlacklisted(ip: string): Promise<boolean> {
  * @return true if whitelisted
  */
 async function isWhitelisted(ip: string): Promise<boolean> {
-  const numIp = IP.toLong(ip);
   const count = await Whitelist
     .count({
       where: {
-        numIp,
+        ip,
       },
     });
   return count !== 0;
@@ -137,7 +135,7 @@ async function isWhitelisted(ip: string): Promise<boolean> {
 /*
  * dummy function to include if you don't want any proxycheck
  */
-async function dummy(ip: string): Promise<boolean> {
+async function dummy(): Promise<boolean> {
   return false;
 }
 
@@ -149,7 +147,8 @@ async function dummy(ip: string): Promise<boolean> {
  */
 async function withoutCache(f, ip) {
   if (!ip) return true;
-  return !(await isWhitelisted(ip)) && (await isBlacklisted(ip) || await f(ip));
+  const ipKey = getIPv6Subnet(ip);
+  return !(await isWhitelisted(ipKey)) && (await isBlacklisted(ipKey) || await f(ip));
 }
 
 /*
@@ -160,11 +159,12 @@ async function withoutCache(f, ip) {
  * @return true if proxy or blacklisted, false if not or whitelisted
  */
 let lock = 4;
-const checking = new Array();
+const checking = [];
 async function withCache(f, ip) {
   if (!ip) return true;
   // get from cache, if there
-  const key = `isprox:${ip}`;
+  const ipKey = getIPv6Subnet(ip);
+  const key = `isprox:${ipKey}`;
   const cache = await redis.getAsync(key);
   if (cache) {
     const str = cache.toString('utf8');
@@ -176,20 +176,20 @@ async function withCache(f, ip) {
   // else make asynchronous ipcheck and assume no proxy in the meantime
   // use lock to just check three at a time
   // do not check ip that currently gets checked
-  if (checking.indexOf(ip) == -1 && lock > 0) {
+  if (checking.indexOf(ipKey) == -1 && lock > 0) {
     lock -= 1;
-    checking.push(ip);
+    checking.push(ipKey);
     withoutCache(f, ip)
       .then((result) => {
         const value = result ? 'y' : 'n';
         redis.setAsync(key, value, 'EX', 3 * 24 * 3600); // cache for three days
-        const pos = checking.indexOf(ip);
+        const pos = checking.indexOf(ipKey);
         if (~pos) checking.splice(pos, 1);
         lock += 1;
       })
       .catch((error) => {
         logger.error('PROXYCHECK withCache %s', error.message || error);
-        const pos = checking.indexOf(ip);
+        const pos = checking.indexOf(ipKey);
         if (~pos) checking.splice(pos, 1);
         lock += 1;
       });
diff --git a/src/data/models/Blacklist.js b/src/data/models/Blacklist.js
index 5f38bb6..22f834a 100644
--- a/src/data/models/Blacklist.js
+++ b/src/data/models/Blacklist.js
@@ -6,33 +6,17 @@
  */
 
 import DataType from 'sequelize';
-import nodeIp from 'ip';
-
 import Model from '../sequelize';
 
 
 const Blacklist = Model.define('Blacklist', {
 
-  numIp: {
-    type: DataType.INTEGER.UNSIGNED,
+  ip: {
+    type: DataType.CHAR(39),
     allowNull: false,
     primaryKey: true,
   },
 
-}, {
-
-  getterMethods: {
-    ip(): string {
-      return nodeIp.fromLong(this.numIp);
-    },
-  },
-
-  setterMethods: {
-    ip(value: string): number {
-      this.setDataValue('numIp', nodeIp.toLong(value));
-    },
-  },
-
 });
 
 export default Blacklist;
diff --git a/src/data/models/Whitelist.js b/src/data/models/Whitelist.js
index 3ee62c3..597dbf3 100644
--- a/src/data/models/Whitelist.js
+++ b/src/data/models/Whitelist.js
@@ -7,33 +7,17 @@
  */
 
 import DataType from 'sequelize';
-import nodeIp from 'ip';
-
 import Model from '../sequelize';
 
 
 const Whitelist = Model.define('Whitelist', {
 
-  numIp: {
-    type: DataType.INTEGER.UNSIGNED,
+  ip: {
+    type: DataType.CHAR(39),
     allowNull: false,
     primaryKey: true,
   },
 
-}, {
-
-  getterMethods: {
-    ip(): string {
-      return nodeIp.fromLong(this.numIp);
-    },
-  },
-
-  setterMethods: {
-    ip(value: string): number {
-      this.setDataValue('numIp', nodeIp.toLong(value));
-    },
-  },
-
 });
 
 export default Whitelist;
diff --git a/src/routes/admintools.js b/src/routes/admintools.js
index a47a764..8b56031 100644
--- a/src/routes/admintools.js
+++ b/src/routes/admintools.js
@@ -4,7 +4,6 @@
  * @flow
  */
 
-import nodeIp from 'ip';
 import express from 'express';
 import expressLimiter from 'express-limiter';
 import type { Request, Response } from 'express';
@@ -12,7 +11,7 @@ import bodyParser from 'body-parser';
 import sharp from 'sharp';
 import multer from 'multer';
 
-import { getIPFromRequest } from '../utils/ip';
+import { getIPFromRequest, getIPv6Subnet } from '../utils/ip';
 import { getIdFromObject } from '../core/utils';
 import redis from '../data/redis';
 import session from '../core/session';
@@ -64,17 +63,20 @@ router.use(passport.session());
 router.use(async (req, res, next) => {
   const ip = await getIPFromRequest(req);
   if (!req.user) {
-    logger.info(`${ip} tried to access admintools without login`);
+    logger.info(`ADMINTOOLS: ${ip} tried to access admintools without login`);
     res.status(403).send('You are not logged in');
     return;
   }
   if (!req.user.isAdmin()) {
     logger.info(
-      `${ip} / ${req.user.id} tried to access admintools but isn't Admin`,
+      `ADMINTOOLS: ${ip}/${req.user.id} wrongfully tried to access admintools`,
     );
     res.status(403).send('You are not allowed to access this page');
     return;
   }
+  logger.info(
+    `ADMINTOOLS: ${req.user.id} / ${req.user.regUser.name} is using admintools`,
+  );
   next();
 });
 
@@ -86,31 +88,32 @@ router.use(async (req, res, next) => {
  * @return true if successful
  */
 async function executeAction(action: string, ip: string): boolean {
-  const numIp = nodeIp.toLong(ip);
-  const key = `isprox:${ip}`;
+  const ipKey = getIPv6Subnet(ip);
+  const key = `isprox:${ipKey}`;
 
+  logger.info(`ADMINTOOLS: ${action} ${ip}`);
   switch (action) {
     case 'ban':
       await Blacklist.findOrCreate({
-        where: { numIp },
+        where: { ip: ipKey },
       });
       await redis.setAsync(key, 'y', 'EX', 24 * 3600);
       break;
     case 'unban':
       await Blacklist.destroy({
-        where: { numIp },
+        where: { ip: ipKey },
       });
       await redis.del(key);
       break;
     case 'whitelist':
       await Whitelist.findOrCreate({
-        where: { numIp },
+        where: { ip: ipKey },
       });
       await redis.setAsync(key, 'n', 'EX', 24 * 3600);
       break;
     case 'unwhitelist':
       await Whitelist.destroy({
-        where: { numIp },
+        where: { ip: ipKey },
       });
       await redis.del(key);
       break;
diff --git a/src/routes/api/pixel.js b/src/routes/api/pixel.js
index 63c7b45..14ae2e1 100644
--- a/src/routes/api/pixel.js
+++ b/src/routes/api/pixel.js
@@ -4,7 +4,6 @@
  */
 
 import type { Request, Response } from 'express';
-import nodeIp from 'ip';
 
 import draw from '../../core/draw';
 import { blacklistDetector, cheapDetector, strongDetector } from '../../core/isProxy';
@@ -83,9 +82,8 @@ async function checkHuman(req: Request, res: Response, next) {
 
   try {
     const { token } = req.body;
-    const numIp = nodeIp.toLong(ip);
 
-    const key = `human:${ip}:${ip}`;
+    const key = `human:${ip}`;
 
     const ttl: number = await redis.ttlAsync(key);
     if (ttl > 0) {
diff --git a/src/routes/reset_password.js b/src/routes/reset_password.js
index eaf32f8..d99b408 100644
--- a/src/routes/reset_password.js
+++ b/src/routes/reset_password.js
@@ -4,7 +4,6 @@
  * @flow
  */
 
-import nodeIp from 'ip';
 import express from 'express';
 import expressLimiter from 'express-limiter';
 import bodyParser from 'body-parser';
diff --git a/src/utils/proxiedFetch.js b/src/utils/proxiedFetch.js
index 58d723c..ced5193 100644
--- a/src/utils/proxiedFetch.js
+++ b/src/utils/proxiedFetch.js
@@ -17,7 +17,7 @@ function randomProxyURL() {
   return rand;
 }
 
-export function fetch(url, options = {}) {
+function fetch(url, options = {}) {
   if (proxylist.length === 0) {
     return isoFetch(url, options);
   }