For a long time , i use this simple website, to find out the external IP address of my network or my pc (standalone to the net). it helps in various ways to see how to communicate with the world. For those who understand what external static Ips are used. you can check it out
Some other site you can use for this info, not as fast as whatismyip but provides more details http://www.ip-adress.com/
elvis, thats nice… one ! it had a nice geographical image of my IP .. coool
This www.ip-adress.com site is really cool! Thank you elvis!