[arin-ppml] "Millions of Internet Addresses Are Lying Idle"(slashdot)

Chris Grundemann cgrundemann at gmail.com
Tue Oct 21 15:31:40 EDT 2008

On Tue, Oct 21, 2008 at 12:43 PM, Michael Sinatra
<michael at rancid.berkeley.edu> wrote:
> You mentioned that big blocks of idle address space should be reclaimed,
> but what is it that you are asking ARIN to do specifically?  Is this a
> policy issue or should staff be directed to do something?  Should they
> scan address ranges and try to find large unused blocks and contact the
> WHOIS POC for the block?

My $.02 is that this process could start by verifying the POCs in
WHOIS.  Then ARIN staff can focus initially on "orphaned" IP space
(blocks with no verifiable POC).  I am not suggesting that all IP
space with out a valid POC is necessarily or inherently abandoned but
I do think that it is an area that may well prove to have much low
hanging fruit in regards to reclamation.

We may need a specific policy to address under what conditions an
address block can be considered abandoned or otherwise "reclaimable."
We may also want or need a policy (such as my proposed "Annual WHOIS
POC Validation") to facilitate and/or encourage ARIN staff to do the

> Also, should unused space in the ARIN region, especially unused legacy
> space, be reclaimed and kept by ARIN or should it go back to IANA?
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Chris Grundemann

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