This simple JavaScript function set/utility provides the opportunity to obfuscate an IP address or decipher an obfuscated IP. Made by www.whak.ca

(de)obfuscate-IP-address.js

function ip2decimal(ip) {
  ip = ip.split(".");
  var e, w = 16777216, x = 65536, y = 256, a = eval(ip[0]), b = eval(ip[1]), c = eval(ip[2]), d = eval(ip[3]);
  e = a * w + b * x + c * y + d;
  return e;
}

function decimal2ip(ip) {
  var w = 16777216, x = 65536, y = 256, e = eval(ip), a = e / w, z = e - (a - e % w / w) * w, b = z / x, q = z - (b - z % x / x) * x, c = q / y, d = q - (c - q % y / y) * y;
  return parseInt(a) + "." + parseInt(b) + "." + parseInt(c) + "." + parseInt(d);
}

var dec = ip2decimal(prompt("Enter your IP address...", "192.168.0.100"));

prompt(decimal2ip(dec) + " will become", "http://" + dec);

//prompt(ip2decimal("192.168.0.100"), decimal2ip("3232235620"));