[137705] in North American Network Operators' Group
Re: IPv6 mistakes, was: Re: Looking for an IPv6 naysayer...
daemon@ATHENA.MIT.EDU (Iljitsch van Beijnum)
Fri Feb 18 09:07:42 2011
From: Iljitsch van Beijnum <iljitsch@muada.com>
In-Reply-To: <871A63DD-E52D-4125-BFD5-52A974BE8C71@gmail.com>
Date: Fri, 18 Feb 2011 15:07:07 +0100
To: Arturo Servin <arturo.servin@gmail.com>
Cc: NANOG list <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On 18 feb 2011, at 14:10, Arturo Servin wrote:
> When you talk about "unused" legacy space are you talking about =
the "various" space or to the legacy space that is currently assigned =
but the holders just require part of it?=20
Legacy space (A) =3D all the /8s marked as "legacy" by IANA.
Used legacy space (B): addresses allocated/assigned according to one of =
the RIRs which falls within A.
Unused legacy space (C): A - B.
Examples: lots of class B networks, either they were never given out or =
they were returned. And 45/8 minus 45.0.0.0/15.=
