North American Network Operators Group
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Re: /24's run amuck?

  • From: Alex Rubenstein
  • Date: Tue Feb 06 16:13:26 2001 
> Length /24:   58763
>
> ASN:   1221 routes:   1775 ??????

Now, this is interesting; AS 1221 is not in ARIN or anywhere.

helium:~# whois -h whois.arin.net 1221
No match for "1221".

Iny my view of the world, 1221 is wholly transited by Exodus:

*>i210.9.34.0       209.67.40.13                  100      0 3967 1221 4736 i

They have lots of AS's behind them, including 9443, 4730, 4736, etc.

ARIN: What about people who use AS's that aren't assigned to them?

Community: Should one filter these announcements?

Exodus: Don't you care?