[48353] in North American Network Operators' Group
Re: IP renumbering timeframe
daemon@ATHENA.MIT.EDU (Valdis.Kletnieks@vt.edu)
Thu May 30 09:49:22 2002
To: Leo Bicknell <bicknell@ufp.org>
Cc: nanog <nanog@merit.edu>
In-Reply-To: Your message of "Thu, 30 May 2002 09:20:17 EDT."
<20020530132017.GB40636@ussenterprise.ufp.org>
From: Valdis.Kletnieks@vt.edu
Date: Thu, 30 May 2002 09:48:50 -0400
Errors-To: owner-nanog-outgoing@merit.edu
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On Thu, 30 May 2002 09:20:17 EDT, Leo Bicknell <bicknell@ufp.org> said:
> Since you have to connect to two or more providers to get an ASN,
> and since the whole reason to have an ASN is to inject things into
> the DFZ it doesn't seem like it would increase routing table size
> by a huge amount. It would eliminate one whole paperwork/justification
> step (for your first address allocation). For subsequent allocations
> there is an example (that /24) of how efficiently the ISP uses the
> space.
Unless I'm missing something, it will double the size of it, since that
/24 out of that /8 won't aggregate with their other address space.
(Hint - our AS has 198.82/16 and 128.173/16 and some other small blocks -
how many routes do YOU see for us?)
Also, there's no real reason to think that address space usage in that
bootstrap /24 will accurately reflect usage in a /20 allocated to them,
since THAT /20 will probably be sub-allocated to users/customers. Heck,
in our AS, the nameservers and mailservers and the like would probably
fit into a /27 (maybe a /26), and wouldn't tell you anything about
the /20 that covers Torgeson Hall....
--
Valdis Kletnieks
Computer Systems Senior Engineer
Virginia Tech
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