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

Jason Schiller schiller at uu.net
Fri Oct 8 10:39:35 EDT 2010

On Fri, 8 Oct 2010, 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).

AS701 accepts and sends PI and PA /48s to Peers for about 8 months now.

Seems most (not all) folks I talk with accept PI /48s, and slightly better 
than half accpet PA /48s.  Renysis says it PA /48 reachability is much 
worse than my experience.  (See the NANOG prior to the previous)  


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