nanog mailing list archives

Re: filtering /48 is going to be necessary


From: Bernhard Schmidt <berni () birkenwald de>
Date: Fri, 09 Mar 2012 17:08:03 +0100

On 09.03.2012 17:04, PC wrote:
I think ARIN issues /48s for Provider independent space as the
minimum allocation size, so I'm guessing we shouldn't filter below
that.  At least, that's what's in their current policies.

Note that I explicitly wrote:

| I used to be (or still am) on the same page as you are. I was
| dropping everything smaller than a /36 from PA ranges at the edge.
                                         ^^^^^^^

Of course I'm accepting /48 from PI range (in ARIN world 2001:500::/30 2001:504::/30 and 2620::/23), anything else would be quite brain-dead and stupid.

Bernhard


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