Re: Finding ASN from IP address

["Michael K. Smith" <mksmith () noanet net>]

On 10/9/03 9:49 AM, "Avleen Vig" <lists-nanog () silverwraith com> wrote:

> I want to create a mapping of IP addresses to ASN, for a specific like
> of IP addresses. Eg:
> 1.2.3.4
> 12.34.56.78
>
> etc, gathered from my system logs.
>
> What is the best way of doing this?
Well, if you are not adverse to using a pre-existing tool, the Team CYMRU
folks have been kind enough to provide a server that does just that.

whois -h whois.cymru.com 66.119.192.4
ASN     | IP               | Name
16713   | 66.119.192.4     | NOANET-WA Northwest Open Acces

Mike
-- 
Michael K. Smith          NoaNet
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