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North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: filtering long prefixes
> > > Yes, Geert Jan, but if you look at the list I prepared, > you'll note that the only chunks of old style Bs that are > 18-bits long all come from one home-AS and most are in a > pair of old-style class Bs which easily could be aggregated > into a single /15 with the loss of some routing specificity > (which is lost anyway when that provider's internal metrics > don't propagate to its external peers). > > The remainder of the 'chunks' of old style Bs are > all longer than 18 bits, and most are /24s or /26s, > and I see none at all that appear difficult to aggregate, > or which look like anything other than leaks due to > misconfiguration. > > If you get to the point where someone needs to have a /18 > in the old-style class B space and it can't be aggregated, > we can return to this. > > Sean. > > Hallo, the Municipality of Zuerich has got assigned 1/2 class B in April this year after a long discussion with RIPE NCC. They will soon get onto Internet. I need to be sure that this address space is routed on the Internet. Sean, Geert-Jan, could you comment, please. Regards, Willi Huber inetnum: 131.117.0.0 - 131.117.127.255 netname: ZUERI-NET descr: Municipality of Zuerich descr: Zuerich. Switzerland country: CH admin-c: BM16-RIPE tech-c: BM16-RIPE changed: [email protected] 950412 source: RIPE person: Beat Morf address: Organisation & Informatik der Stadt Zuerich address: Wilhelmstrasse 10 address: CH-8022 Zuerich phone: +41 1 279 92 62 phone: +41 1 279 91 11 fax-no: +41 1 279 93 85 e-mail: [email protected] nic-hdl: BM16-RIPE changed: [email protected] 950601 source: RIPE
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