Finding ASN from IP address
Michael K. Smith
mksmith at noanet.net
Thu Oct 9 17:43:24 UTC 2003
On 10/9/03 9:49 AM, "Avleen Vig" <lists-nanog at 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
206.219.7116 (work) 206.579.8360 (cell)
mksmith at noanet.net http://www.noanet.net
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