32-bit ASes at routeviews

Valdis.Kletnieks at vt.edu Valdis.Kletnieks at vt.edu
Mon Dec 17 21:38:15 UTC 2012


On Sun, 16 Dec 2012 23:48:13 +0100, Iljitsch van Beijnum said:
> Looking for 32-bit AS numbers, I get some strange results from
> routeviews:

> Unless I missed something, AS 23456 is supposed to show up as a stand-in
> for 32-bit ASNs on 16-bit BGP implementations, not in _addition_ to
> 32-bit ASNs. So the penultimate line would make sense if the other lines
> weren't there and the others don't make sense period.
>
> Maybe a bug in the IOS they're running?

> Or is something else going on?

I think you've just found a number of AS's that are at high risk of
being mystified when D-root shuts down 7 months from now. :)

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