That's an Australian link, it won't be useful to those of us located here in Europe for example since most IMEIs wouldn't be reported to that site. But it might still be useful to check it if you bought a phone in Australia.
ROM: 1.72.00 GER (8/9/2004 - T-Mobile upgrade)|Radio: 1.12.00, upgrading to 1.18.00|
Protocol: 1337.42|Extended ROM: Nope
Originally from Redwood City, California, USA (near San Francisco), now living in Cologne, Germany