geotools
Simple and fast IP to Country/Region lookup module for nodejs. Pull Requests are welcome!
GEO databases
You can download fresh geo database from this website: http://ipgeobase.ru/. Database contains major ranges for all countries worldwide and presice ranges for most Russian cities/regions. Also it could be extended with another geo data.
Installation
npm install geotools
Usage
var geo = require('geotools');
var res = geo.lookup("87.229.134.24");
// output is { country: 'RU', region: 1056 }
Speed / Benchmark
Approximate speed on average laptop is about 1.5M calls per second. Benchmark is simple, but it gives you an idea about module's performance. Test it yourself:
node ./lib/bench.js