From: Avi Freedman <freedman@netaxs.com> But I still see 4 /24s advertised in 208/8:

Now, besides the fact that 208.0.4.0 & 208.0.5.0 could be 208.0.4.0/23 (grin), what IS the appropriate way to deal with an ongoing situation where un-NIC-allocated IP space is advertised on the Internet?

My solution would be to filter the routes based on AS. Someday, those routes will be announced from a valid provider, and you will need to know the valid AS from which they should be announced to ignore the bogons.

We have no plans to implement incoming route filters on 208/8 - who knows when the NIC will start allocating out of it.

The RA knows? Maybe this is a valid use of the RADB? Cannot the NIC update the RA with both prefix and AS? Bill.Simpson@um.cc.umich.edu Key fingerprint = 2E 07 23 03 C5 62 70 D3 59 B1 4F 5E 1D C2 C1 A2