Re: [swinog] AS3303 overlapping prefix
Andy Grawehr writes: > when i check our prefix 193.105.5.0/24 on www.ris.ripe.net i get an > overlapping prefix: 192.0.0.0/3 announced by AS3303. Google "AS3303 semi-default". AS3303 announces this /3 to their customers and possibly use it internally. It's part of an elaborate mechanism to trade off routing table size against path quality. Some ISPs (including ourselves) even announce 0.0.0.0/0 to customers. Note how this also "overlaps" with your 193.105.5.0/24. Best regards, -- Simon. ___ swinog mailing list swinog@lists.swinog.ch http://lists.swinog.ch/cgi-bin/mailman/listinfo/swinog
Re: [swinog] AS3303 overlapping prefix
Hi Andy Looks like one of the "semi-default" routes inside 3303. Looks like, that the're announced to RIS... http://www.swinog.ch/meetings/swinog7/BGP_filtering-swinog.ppt cheers, michel Andy Grawehr wrote: hello, when i check our prefix 193.105.5.0/24 on www.ris.ripe.net i get an overlapping prefix: 192.0.0.0/3 announced by AS3303. this occured today, but it was not the first time. has anyone an explanation for this...??? thx andy ___ swinog mailing list swinog@lists.swinog.ch http://lists.swinog.ch/cgi-bin/mailman/listinfo/swinog ___ swinog mailing list swinog@lists.swinog.ch http://lists.swinog.ch/cgi-bin/mailman/listinfo/swinog
