tags:

views:

121

answers:

1
+2  Q: 

How can I get the Autonomous System Number (ASN) and Netblock Owner for an IP in C#?

I need to look up the ASN and Netblock owner for a specific IP in a .NET server app.

Is this info in the WhoIs data?

Thanks!

+1  A: 

Team Cymru has an IP address to ASN mapping service. Please be sure to follow their terms of service, though...

Alnitak  2010-06-04 20:28:29
Thank you, that is exactly what I needed. I currently have a request in with them to see if I can use their service.
Joon  2010-06-06 10:54:24

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