AppEngine Geolocation

Determine your real (physical) location based on your IP address, powered by Google AppEngine.

Your IP address:35.171.164.77

Country: US
Region: va
City: ashburn
Latitude/Longitude: 39.043757,-77.487442

How this works, including API details and source code!

Resolve.rs has more diagnostic tools. including a comparison of different geolocation APIs.