[86403] in North American Network Operators' Group
Re: classful routes redux
daemon@ATHENA.MIT.EDU (Paul Jakma)
Thu Nov 3 01:49:49 2005
Date: Thu, 3 Nov 2005 06:49:12 +0000 (GMT)
From: Paul Jakma <paul@clubi.ie>
To: bmanning@vacation.karoshi.com
Cc: Richard A Steenbergen <ras@e-gerbil.net>, nanog@merit.edu
In-Reply-To: <20051102235136.GD15252@vacation.karoshi.com.>
Mail-Copies-To: paul@hibernia.jakma.org
Mail-Followup-To: paul@hibernia.jakma.org
Errors-To: owner-nanog@merit.edu
On Wed, 2 Nov 2005, bmanning@vacation.karoshi.com wrote:
> er.. would this be a poor characterization of the IPv6 addressing
> architecture which is encouraged by the IETF and the various RIR
> members?
>
> class A == /32
> class B == /48
> class C == /56
> hostroute == /64
It's quite arbitrary though, unlike the old classful IPv4 divisions -
a matter of policy, not technology. The allocation sizes can and do
vary over both time (as policy changes, IIRC RIPE used to assign
/35s iirc, now it's /32) and between different RIRs.
A hostroute is /128 btw. ;)
regards,
--
Paul Jakma paul@clubi.ie paul@jakma.org Key ID: 64A2FF6A
Fortune:
QOTD:
"Every morning I read the obituaries; if my name's not there,
I go to work."
