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IPv6 mistakes, was: Re: Looking for an IPv6 naysayer...

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? 

Legacy space (A) = 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