RIPE check library

ripe.js

//https://apps.db.ripe.net/whois/search.json?query-string=213.46.228.196&source=ripe
var net = require('net');

var RIPE = function(ip,keyword,callback){
	var arin = {
		port: 43,
		host: 'whois.ripe.net'
	};

	var client = net.connect(arin.port,arin.host);

	client.on('connect',function(){
		console.log('Connected to '+arin.host+' on port '+arin.port);
		client.write(ip+'\n');
	});

	var response = '';
	client.on('data',function(data){
		response += new Buffer(data).toString();
	});

	client.on('end',function(data){
		callback(null,response.toLowerCase().indexOf(keyword.toLowerCase())>0)
	});

	client.on('error',function(error){
		callback(error);
	})
};

module.exports = RIPE;

test-ripe.js

var RIPE = require('./lib/ripe');

RIPE('213.46.228.196','UPC',function(err,flag){
	console.log('ARIN check is',flag);
});