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North American Network Operators Group

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Re: Policies: Routing a subset of another ISP's address block

  • From: Daniel L. Golding
  • Date: Wed Apr 05 10:50:31 2000

That's simply not true. Many ISPs will advertise another's netblocks for a
mutual downstream. The client doesn't have enough IP space to qualify for
PI space in any case unless they utilize a /21 to 80% while being
multihomed. 

I don't see the logic behind refusing the customer a request of this sort.

Daniel Golding
Senior Network Engineer
NetRail, Inc.

On Wed, 5 Apr 2000, Jesper Skriver wrote:

> 
> On Wed, Apr 05, 2000 at 08:33:25AM -0400, David Harrison wrote:
> > 
> > We have a situation where we have a client who wants to be dual-homed
> > for redundancy. They are not large enough to get addresses from ARIN.
> > Given that they are wanting us to allow another provider to route a
> > subset of one of our address blocks(5 /24's out of a /16).
> > Looking for some recommendation/dangers and general policies in
> > reference to this. Thanks for any input. If this is the incorrect list
> > to post this on please let me know.
> 
> Refuse to do it, the customer must get PI addresses for this purpose.
> 
> /Jesper
> 
> -- 
> Jesper Skriver, jesper(at)skriver(dot)dk  -  CCIE #5456
> Work:    Network manager @ AS3292 (Tele Danmark DataNetworks)
> Private: Geek            @ AS2109 (A much smaller network ;-)
> 
> One Unix to rule them all, One Resolver to find them,
> One IP to bring them all and in the zone to bind them.
> 






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