You'll find your IP address in the help menu under: What is my IP address?
Note: The following IP addresses are PRIVATE and not valid for external access to the Web server:
127.0.0.1 (local host)
10.*.*.*.* (class A)
172.*.*.* (class B)
192.168.*.* (class C)
169.254.*.* (Microsoft autonet address area)
You can also visit one of tehse websites:
http://www.whatismyip.com/
http://www.whatismyipaddress.com/
http://www.myipaddress.com/
http://checkip.dyndns.org/