North American Network Operators Group
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Re: classful routes redux

  • From: Christopher L. Morrow
  • Date: Fri Nov 04 11:12:09 2005 

On Fri, 4 Nov 2005, Russ White wrote:
>
> - -- BGP is currently moving to a 2^32 space for AS numbers. That's odd,
> if there's only 18,044 origins in the current table, and it won't ever
> grow to much more--how'd we lose 40,000 or so AS numbers, that we now
> need more than 64,000?

I think someone at CAIDA or even Renesys could put out some good numbers
for 'origin' AS counts and even 'AS in aspath' It's slightly higher than
18k, but not 40k higher :) At last look (during arin/nanog meeting) it was
about 20k unique origins (from 701 perspective as seen through
routeviews)