IPv6 Default Allocation - What size allocation are you giving out

Owen DeLong owen at delong.com
Thu Oct 9 16:32:56 UTC 2014


It’s entirely likely that someone attempted to get a /31 from ARIN recently and
they most definitely would have been smacked down, but not because they couldn’t
get more than a /32. ARIN will not issue a /31 under current policy, but if you need
more than ~48,000 end-sites, you easily qualify for a /28.

Owen

On Oct 9, 2014, at 7:47 AM, Karl Auer <kauer at biplane.com.au> wrote:

> On Thu, 2014-10-09 at 10:22 -0400, Daniel Corbe wrote:
>> Has anyone successfully gotten a RIR to assign anything bigger than a
>> /32?  I seem to recall in recent history someone tried to obtain a /31
>> through ARIN and got smacked down.  
> 
> Legend has it that the US DOD applied for a /8 - and got smacked
> down :-)
> 
>> Even if you're assigning a /56 to every end user, that's still on the
>> order of 16 million allocations.
> 
> If, as you should be, you are assigning /48s, it's only 65536. Not that
> big. That's why it's the *minimum* allocation. Larger allocations are
> possible and I suspect quite common.
> 
> Regards, K.
> 
> -- 
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