[112690] in North American Network Operators' Group

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Re: Dynamic IP log retention = 0?

daemon@ATHENA.MIT.EDU (Valdis.Kletnieks@vt.edu)
Fri Mar 13 17:15:57 2009

To: Bobby Mac <bobbyjim@gmail.com>
In-Reply-To: Your message of "Fri, 13 Mar 2009 13:57:56 CDT."
	<c3de0a330903131157x4150aca9o89834972716381da@mail.gmail.com>
From: Valdis.Kletnieks@vt.edu
Date: Fri, 13 Mar 2009 17:15:50 -0400
Cc: nanog@nanog.org
Errors-To: nanog-bounces@nanog.org

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On Fri, 13 Mar 2009 13:57:56 CDT, Bobby Mac said:

> That said,  unless Covad is constantly exhausting it's pool or they mandate
> that after the lease expires to give a different IP a reverse lookup would
> give you the hostname of the offender which should remain accurate for some
> amount of time.  No action on Covads part constitutes legal action on yoru
> part...

OK. So you get hit by 129.257.34.98. You look up the PTR and get back
98.34.257.129.cable-pool-slash-12.covad.net.

What did you gain here? You knew it was in a Covad /12 before, and that's
all you know after, and Covad *still* isn't stopping their customer's bad
behavior.  After all, you didn't *really* care that the IP was assigned to
a computer belonging to Herman Munster, 1313 Mockingbird Lane.  What you
actually *wanted* was for somebody (preferably Covad) to hand Herman a clue.


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