precise geolocalization via IP

Posted by meo on Stack Overflow See other posts from Stack Overflow or by meo
Published on 2010-06-15T08:44:33Z Indexed on 2010/06/15 8:52 UTC
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I tied the iPad the other day, and was amazed about the precision of the geolocalization by ip. Actually there is this action against hunger in the world that shows you very precisely where the persons are located that have took part to this petition:

http://www.1billionhungry.org/meodai/impact/

I would like to integrate that in one of my projects. I took a look at the source but i could not figure out how they did it. Can someone help me out? is there a web service for that?

Is the google map api doing this or are they using an other service?

PS: Its not just the country/region of your IP/ISP IP that the service gives back, its a pretty precise positioning.

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