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CIDR & Broadband

  • From: David Barak
  • Date: Fri Dec 17 10:36:00 2004
  • Comment: DomainKeys? See http://antispam.yahoo.com/domainkeys
  • Domainkey-signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; b=EWUIIZ4rA8vLg+rKQLV0wcI83giZKrMvh8Ir/M9DF0obC7smaF3EuFaFbv1CPfbMrltc4lpH0b/rdJBvrhdlUVu3PSb/K665VMFekQcbhHjdkaQyJxlck+OcyDs5LzRMTiMgyvLsqxLhYz21///SxbKrMBFZXnFz66i8V3eRmGk= ;

Hi everyone,

I just happened to notice something:

AS18566      755        7      748    99.1%   CVAD
Covad Communications
AS27364      441       33      408    92.5%   ARMC
Armstrong Cable Services
AS22773      416       24      392    94.2%   CXA Cox
Communications Inc.
AS21502      272        3      269    98.9%  
ASN-NUMERICABLE NUMERICABLE is a cabled network in
France,
AS14654      262        6      256    97.7%   WAYPOR-3
Wayport
AS25844      244       17      227    93.0%   SASMFL-2
Skadden, Arps, Slate, Meagher & Flom LLP
AS4814       213        6      207    97.2%  
CHINA169-BBN CNCGROUP  IP network��China169 Beijing
Broadband Network

Of these, the CIDR-report entries with > 90%
deaggregation, 6 are high-speed Internet providers,
and one's a lawfirm.  

Clearly, all of them can be described as "leaf" ASes. 
None of them seem to have multihoming customers (or at
least not THAT many).  I seem to remember a person
from Covad saying that their deaggregation was going
to be temporary
(http://www.merit.edu/mailinglist/mailarchives/old_archive/2004-11/msg00366.html)
for some value of temporary, but what about the
others?  Any of the rest of you want to speak up and
explain this?



=====
David Barak
-fully RFC 1925 compliant-


		
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