[75470] in North American Network Operators' Group
Re: IPV6 renumbering painless?
daemon@ATHENA.MIT.EDU (Hank Nussbacher)
Sat Nov 13 12:19:45 2004
Date: Sat, 13 Nov 2004 19:11:57 +0200
To: Owen DeLong <owen@delong.com>, Jeroen Massar <jeroen@unfix.org>
From: Hank Nussbacher <hank@mail.iucc.ac.il>
Cc: nanog@merit.edu
In-Reply-To: <2147483647.1100252397@imac-en0.delong.sj.ca.us>
Errors-To: owner-nanog-outgoing@merit.edu
At 09:39 AM 12-11-04 -0800, Owen DeLong wrote:
> > Fortunately there are 'only' 65k ASN's, thus that would mean only 65k
> > routes in the routing table, which should be quite practical. Seeing
> > only ~650 routes now I don't see that happening that soon, especially
> > with the slowness of deployment of IPv6 in the US, though it is catching
> > on ;). Left to wonder though what happens when we run out of ASN's,
> > 32bit ones?
> >
>32bit ASNs are already in the works. I would expect not more than 2-3
>years before you see widespread 32bit ASN code in routers.
Hmmmm:
Routing Table Report 04:00 +10GMT Sat 13 Nov, 2004
Analysis Summary
----------------
BGP routing table entries examined: 150665
Prefixes after maximum aggregation: 88779
Unique aggregates announced to Internet: 71952
Total ASes present in the Internet Routing Table: 18421 <----
30% usage and we need 32 bit ASNs?
-Hank
