What services can I used to find a user's location based on their IP address?

Question

If you need to locate a user based on their IP address, what services are available (free and not free services are fine)?

P.S. I understand that some users use prox

Answer 1

Easy -> I made a .NET extension method a while back. It's all wrapped up in a single DLL that u can use and reference. it doesn't require ANY WEB SERVICE or 3rd party external API call.

it's also free.

it's also open source. blah blah blah.

Enjoy!

It's called IPAddressExtensions and it's on Codeplex.