How can I get the Autonomous System Number (ASN) and Netblock Owner for an IP in C#?
I need to l开发者_如何学编程ook up the ASN and Netblock owner for a specific IP in a .NET server app.
Is this info in the WhoIs data?
Thanks!
Team Cymru has an IP address to ASN mapping service. Please be sure to follow their terms of service, though...
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