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:skyw...@valhallalegends.com] >Sent: Monday, December 22, 2008 7:08 PM >To: valdis.kletni...@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.kletni...@vt.edu [mailto:valdis.kletni...@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. >