ISPs Blocking Private Addresses?

Mon Feb 9 00:09:04 UTC 1998

> 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 at cwru.edu