[arin-discuss] Good Stewardship by example, I'd like to RETURN a /20

[Vaughn Thurman - Swift Systems]

Fact check please.  Those /8s were to other registrys, not orgs/isps  
right?

Sent from my handheld

On Jul 22, 2009, at 7:08 PM, Ted Mittelstaedt <tedm at ipinc.net> wrote:

> Lee Howard wrote:
>>> While this is not the ultimate solution, it certainly can stem the  
>>> tide for many years.
>> How many years?
>> Globally, about 12-13 /8s were assigned in 2008.
>> http://www.nro.net/documents/presentations/nro- 
>> jointstats_06-30-09.pdf
>> There are something like 40 "legacy" Class A assignments, but most  
>> of them are
>> in use.   How many do you think could be reallocated?
>> There are, what, 44 /8s assigned as 11,000 Class Bs?  Most of the  
>> Class Bs
>> are in use.  How many do you think could be reallocated?
>> What is the threshold for utilization?  Do we tell end user  
>> organizations that if they don't qualify for an additional  
>> allocation (80% utilization of current blocks
>> (NRPM 4.3.6)) they don't qualify for their current block?  Is 25%  
>> acceptable?
>> This is important in figuring out how many allocations could be  
>> recovered.
>> I think we could get an extra year out of IPv4 this way.  Maybe +/-  
>> six months.
>> How much should ARIN spend to do this?
>>> It would be an interesting study to examine the allocated IP  
>>> address space by entity and determine how many of these  
>>> organizations sit behind a NAT firewall, and only use a small  
>>> portion of their allocation.
>> That would be interesting.  Anybody want to do it?
>
> How?  NAT's quite often disable ICMP echo replies by default so  
> pinging
> IP's in a block isn't going to tell you anything.
>
>> These aren't rhetorical questions, btw.  I'm sincerely looking for  
>> guidance from
>> the members as to how you want ARIN to spend its resources.
>
> It would be nice (I think I've suggested this before) if ARIN could  
> publish a date on it's website that it expects to be able to no  
> longer hand out IPv4.  It might help give a little push to the  
> discussion if we had a deadline. :-)
>
> Ted
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