Re: ISPs Blocking Private Addresses?

Do most ISPs explicitly block private IP addresses (e.g. 10.X.X.X) at their borders?

Do the "default-less" ISPs filter private addresses or do they let routing/forwarding do the work?

thanks, peter

route-views.oregon-ix.net>sh ip bgp 10.0.0.0 % Network not in table route-views.oregon-ix.net> Looks like it. Filter everyone... trust no one. (aphorism of the day) brad reynolds ber@cwru.edu