What is the most standard subnet length on internet

Tomas L. Byrnes tomb at byrneit.net
Tue Dec 23 13:12:13 CST 2008


What I was describing is filtering the announcements of /24s that are
part of larger allocations. Not filtering the announcements of "The
Swamp".


>-----Original Message-----
>From: Skywing [mailto:Skywing at valhallalegends.com]
>Sent: Monday, December 22, 2008 7:08 PM
>To: Valdis.Kletnieks at vt.edu; Nathan Ward
>Cc: nanog list
>Subject: RE: What is the most standard subnet length on internet
>
>Snarky replies aside, it might be interesting to hear if there are any
>real examples of this being done intentionally and not out of not
>knowing better or otherwise configuration error.  For example, Tomas
>Byrnes's suggestion re: hijacking; although, I suspect that in that
>case, he's speaking of someone doing this filtering on a one-off basis
>and not on all /24's in the DFZ.
>
>- S
>
>-----Original Message-----
>From: Valdis.Kletnieks at vt.edu [mailto:Valdis.Kletnieks at vt.edu]
>Sent: Monday, December 22, 2008 10:05 PM
>To: Nathan Ward
>Cc: nanog list
>Subject: Re: What is the most standard subnet length on internet
>
>On Tue, 23 Dec 2008 14:44:46 +1300, Nathan Ward said:
>
>> Why are people doing this? Are they lacking clue, or, is there some
>> reasonable purpose?
>
>The total number of routing cluons is apparently a fixed quantity.  The
>number of AS's is known to be increasing. Do the math.
>





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