[lir-wg] AS Number Policy

At 12:38 PM 10-07-02 +0200, Berislav Todorovic wrote:
>On Wed, 10 Jul 2002, Hank Nussbacher wrote:
>
> >> I'd like to make a suggestion. Since these ASNs and IP blocks are the
> >> property of the RIRs, and since organizations are cybersquatting on
> >> these resources why shouldn't these RIRs advertise these IP blocks and
> >> ASNs themselves and blackhole them to their routers?
>
>I'd like to back this idea!
>
>However, even if ICANN itself suddenly gets stroken by lightning of technical
>wisdom and starts announcing unused /8's - that won't prevent offenders from
>announcing more specific routes, will it? On the other hand, announcing /24's
>will really pollute the global routing table, which is big enough anyway.

Just announce those exact prefixes being announced by offenders.  The 
prefix already appears in the routing tables so it won't increase the size 
of the table - just a slight memory increase for the extra paths.  I don't 
think there are more than 100 such prefixes these days.

-Hank



>Still, having a service like Paul Vixie's AS7777 would help a lot: an ISP
>willing to receive blackhole routes would bring a route server on their
>backbone, establish a peering session with "IANA blackhole AS" and use the
>routes to construct filters etc.
>
>Regards,
>Beri