North American Network Operators Group

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Re: IPv6 Advertisements

  • From: Donald Stahl
  • Date: Thu May 31 12:09:39 2007


Current policy allows for greater-than-/48 PI assignments if the org can justify it. However, since we haven't told staff (via policy) what that justification should look like, they are currently approving all requests and several orgs have taken advantage of that.
I can't imagine what an end-user could come up with to justify more than a /48 but what do I know. And if ARIN's primary goal is to prevent de-aggregation then shouldn't there be another fixed allocation size (/40) and block to prevent this?

So, it's entirely possible someone could get a /40 and deaggregate that into 256 routes if they wanted to. Given the entire v6 routing table is around 700 routes today, it's obviously not a problem yet :)
Obviously that's short sighted :) As for the deaggregation- anyone deaggregating a /40 into 256 routes should have there AS permanently bloackholed :)

-Don