[arin-ppml] ARIN-2011-5: Shared Transition Space for IPv4 Address Extension - Last Call

William Herrin bill at herrin.us
Mon May 2 16:26:09 EDT 2011

On Mon, Apr 25, 2011 at 8:46 AM, George, Wes E [NTK]
<Wesley.E.George at sprint.com> wrote:
> IPv4 addresses used behind a NAT (inside pool) cannot be
> used for justification of new resources nor counted towards
> utilization calculations for existing resources.
> NRPM 4.10.x (Shared Transition Space) defines a specific
> non-unique block to  be shared among multiple networks
> for this purpose.

Hi Wes,

So if I have addresses inside a NAT today, I want to move them outside
the NAT and I'm willing to cough up the money for a transfer, I should
be denied because the addresses at issue are currently used behind a

I'm sure we can fix this language so that it does what you intend, but
that will take time and debate. So, let's take the time and get it
right. Let's get 2011-5 on the books as it stands and then let's
figure out a good way to rebalance the the justified need concept
around its existence.

Bill Herrin

William D. Herrin ................ herrin at dirtside.com  bill at herrin.us
3005 Crane Dr. ...................... Web: <http://bill.herrin.us/>
Falls Church, VA 22042-3004

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