[rescue] IP blocks

[Dave McGuire]

On February 18, Eric Dittman wrote:
> I've got a question that may be best asked here, since we've
> got people with lots of net experience.  I want to find all
> the IP blocks for wanadoo.fr (and a couple of others, but
> that's the top one on my list) so I can block them at my
> firewall.  What's the best way to find all the IP blocks
> for a given domain?

  You can't do that...IP addresses are tied to organizations, as are
domains.  I haven't had to do this in years, so I'm very fuzzy, but I
believe you'll have to query a route registry.  Try digging around at
www.radb.net, you might find something useful there.

    -Dave

-- 
Dave McGuire
St. Petersburg, FL         "Less talk.  More synthohol." --Lt. Worf