At least for RIPE (not sure about the others) you could ftp down a copy of the inetnum db and using a script cross reference to a bgp table .. should be easy enough.. Steve On Sat, 25 Sep 2004, Tom Vest wrote:

Does anyone have a ballpark figure for how much of what's currently in the routing table is "provider independent"? Are there systematic variations in PI IP availability between ARIN, RIPE, and APNIC?

thanks,

Tom