[arin-ppml] IPv6 Non-connected networks

David Farmer farmer at umn.edu
Mon Feb 22 17:36:34 EST 2010

Joel Jaeggli wrote:
> John Santos wrote:
>> On Mon, 22 Feb 2010 michael.dillon at bt.com wrote:
>> People with private networks may not/probably don't have ASNs.
>> Same for people with legacy class "C" addesses that upstreams
>> refuse to route, but which are extemely useful for private internets
>> because they can't collide with customer/vendor/peer internal addresses,
>> unlike RFC1918.
> if you don't adevertise it for log enough,chances are someone else will.

This is the reason I'm at least willing to consider a way to filter 
"never to be advertised networks".  However, if/when resource 
certification (A.K.A. RPKI) come into common use this could be much less 
of a problem.  So, I'm not absolutely sure even these networks need to 
be filterable, especially in the long-term.  But, maybe in the near-term 
this could be helpful to prevent abuse, and what happens if RPKI is 

Just thinking out loud.

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David Farmer               Email:farmer at umn.edu
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