Syntax : http://l2.io/ip
Diplay Client IP address
--> x.x.x.x

Syntax : <script type="text/javascript" src="http://l2.io/ip.js"></script>
Display Client IP address in your HTML page using javascript
--> document.write('x.x.x.x');

Syntax : <script type="text/javascript" src="http://l2.io/ip.js?var=myip"></script>
Set javascript variable "myip" to client IP address
--> myip = "x.x.x.x";