nanog mailing list archives

Re: More ASN collissions


From: christian koch <ck () sandcastl es>
Date: Thu, 10 Dec 2009 12:54:14 -0800

i believe john curran just posted the follow up to the list yesterday on
this matter

On Thu, Dec 10, 2009 at 10:51 AM, Dobbins, Roland <rdobbins () arbor net>wrote:


On Dec 11, 2009, at 1:35 AM, Jared Mauch wrote:

As always, good research by renesys.

What happens when an ASN is requested, and it's discovered that said ASN is
already in use by an unauthorized network, and that some proportion of the
Internet are accepting it due to a lack of appropriate routing policy?  Is
there a process to try and reclaim said ASN via persuasion, or some
jurisdictionally-appropriate legal action, or peer pressure (pardon the
pun), or . . . ?

This is a different circumstance than either accidental or deliberate use
of an already-assigned and -utilized ASN; has this situation occurred in the
past, and if so, how was it resolved?  If the situation isn't resolved in a
timely manner, is the ASN in question considered 'poisoned' until a
resolution is attained, and the next available ASN which isn't being
utilized in a rogue fashion issued in its place?

Apologies if this is a naive question; I've not run into this particular
circumstance before, nor have I found any reference to it in any of the
various list archives.  I do believe that it may become a bit more common,
given some of the confusion and drama regarding the operationalization of
4-byte ASNs.

-----------------------------------------------------------------------
Roland Dobbins <rdobbins () arbor net> // <http://www.arbornetworks.com>

   Injustice is relatively easy to bear; what stings is justice.

                       -- H.L. Mencken







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