If you want to put it online to ur self use ur lan ip,
Control panel>Network Connection>Lan>Support
If you want to make it online to the world..use ur wan ip.
(you can check it here
www.whatismyip.com)
Copy the lan/wanip to the server.ini, locator.ini ,Match Agent >agentconfig.xml(if u using br), GunzDB(Locator Status and server status) and System.mrs(system.xml)
there u go..I hope its help XD