[63776] in North American Network Operators' Group

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Re: Finding ASN from IP address

daemon@ATHENA.MIT.EDU (Kai Schlichting)
Thu Oct 9 23:54:57 2003

Date: Thu, 9 Oct 2003 23:54:02 -0400
From: Kai Schlichting <kai@pac-rim.net>
To: nanog@merit.edu
Cc: lists-nanog@silverwraith.com
In-Reply-To: <20031009164931.GU77423@silverwraith.com>
Errors-To: owner-nanog-outgoing@merit.edu


On 10/9/2003 at 12:49 PM, "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?

http://www.spamshield.org/#tools  : ip-leecher.pl

And damn you, if you don't use your own router instead of the
route-servers for more than a few 100 queries per day :)

bye,Kai


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