From an old post on the official forums and a section of a talk page. 1. * Start WoW & log in to the realm you want to trace. 2. * Press ALT-TAB to minimize WoW and return to the desktop. 3. * Click Start, then Run, then type "cmd" 4. * In the DOS window type "netstat -an" You will see 2 IP addresses - the first will be Established on port 1119, 3724, 6112, 6113, or 6114, and the 2nd will show an established connection on a random port. It will look like this: The first line is your connection to Blizzard's login server. The line below should be the IP address of your server.