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Re: filtering long prefixes
From: Geert Jan de Groot <GeertJan.deGroot () ripe net>
Date: Thu, 21 Sep 1995 11:59:10 +0200

On Thu, 21 Sep 1995 05:27:36 -0400  Sean Doran wrote:
      reject BGP announcements which:
      -- are an old-style classful B network with a 
         mask longer than 16 bits

We have assigned 'chunks' of old-style B's in cases where
it made a significant difference (obsolete equipment).
Again, I see no technical reason  not to do this;
as far as your routers are concerned, there is not difference
between 191.191.0.0/18 and 194.194.0.0/18


Geert Jan
(trying not to get into the discussion of the validity of
prefix length filtering again)



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