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Detect Telecom Provider based on IP!

Posted: Fri Jun 01, 2007 1:42 am
by Alber, Nguyen Tien
As above, is there any body know how to detect Telecom Provider based on a provided IP?

Thank you in advance.

Regards

Albert

Posted: Fri Jun 01, 2007 2:06 am
by djot
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They use their own IP ranges. So if you know which IP range is used by which provider, you may detect it for a given IP (in a known IP range).

djot
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Posted: Fri Jun 01, 2007 4:35 am
by Alber, Nguyen Tien
Thanks!

But I don't know how to find the IP ranges for each telecom provider.

More over, if you use http://ripe.net/whois to detect the IP (let say: 217.113.76.254 )

The website says that the IP comes from Belgium, and the telecom provider is celtel (which only provides their services in Africa only!!!).

So, can I find from which country the IP comes and from which telecom provider the service is?

Thank you so much.