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Date:      Mon, 11 Oct 1999 11:19:15 -0400 (EDT)
From:      "Crist J. Clark" <cjc@cc942873-a.ewndsr1.nj.home.com>
To:        freebsd-security@freebsd.org
Subject:   Identifying an Unresolvable IP
Message-ID:  <199910111519.LAA31237@cc942873-a.ewndsr1.nj.home.com>

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Connections from two different, but close (consecutive class C nets),
IP addresses showed up in some of my daily security logs. The
addresses do not reverse-lookup, but I would still like to know who
owns the addresses (my guess it is a valid user's 3rd party ISP, but I
want to be sure).

What tools or references are easily accessible for determining who
owns a block of IPs? I have not been able figure out how to coax the
info from DNS or whois. A web search, somewhat to my surprise, did not
immediately pop up a site that will tell you this info when you slip in
an IP address.

Thanks for any help.
-- 
Crist J. Clark                           cjclark@home.com


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