On Tuesday, December 31, 2002 1:58 AM [GMT+0530=IST],
OCreger@??? (Owen Creger) wrote:
> Actually many ISPs allow the routing of RFC1989 addresses, IMHO due to
> lazyness. My routers block hundreds of them everyday.
> It appears that spammers use them mostly...
Ingress filtering of RFC1918 is not due to laziness, and not because of
a vague "spammers use them mostly".
Why don't you take a look at RFC 2827?
srs