legacy /8

Owen DeLong owen at delong.com
Fri Apr 2 17:14:33 CDT 2010

On Apr 2, 2010, at 2:16 PM, Chris Grundemann wrote:

> On Fri, Apr 2, 2010 at 15:01, Jeroen van Aart <jeroen at mompl.net> wrote:
>> I am curious. Once we're nearing exhausting all IPv4 space will there ever
>> come a time to ask/demand/force returning all these legacy /8 allocations?
> <snip>
> Legacy vs RIR allocated/assigned space is not a proper distinction,
> in-use vs not-in-use is a much better defining line for this debate.
True, but...

> Folks have been asked to return unused space for quite some time now,
> see https://tools.ietf.org/html/rfc1917.
Also true.

> Unless/until governments get involved, there is no one to demand or
> force the return of any space. If that happens, we likely all lose.
This is where Legacy vs. RIR becomes meaningful.  Legacy holders have
no contractual obligation to return unused space.  RIR recipients, on the
other hand, do.


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