ARIN-PPML Message

[arin-ppml] early experimenter /32 catch-22

On Oct 8, 2010, at 6:55 AM, Christopher Morrow wrote:

> On Fri, Oct 8, 2010 at 9:38 AM, David Williamson <dlw+arin at tellme.com> wrote:
>> On Thu, Oct 07, 2010 at 04:08:37PM -0400, Christopher Morrow wrote:
>> 
>>> (you can't guarantee longer prefixes than a /32 get global
>>> reachability... so subnetting the current allocation isn't feasible)
>> 
>> Is that really true?  Would someone fess up about current routing
> 
> I know of a case (solved by announcing the /32 aggregate) of this, yes.
> ('hello docs.python.org!')
> 
>> practice?  We definitely accept longer prefixes, as we only have a /45,
>> and we only advertise /48s.  Of course, that's in the PI block.
> 
> sure, so in the PI ranges it seems most places (save vzb?) accept to
> /48. In the other allocation sets you can get to /32 but not often
> very much further (for full reachability).
> 
VZB does now accept /48s in the PI ranges.

Owen