[rescue] IP blocks

[Brent B. Powers]

>>>>> "Iggy" == Iggy Drougge <optimus at canit.se> writes:

    Iggy> Eric Dittman skrev:
    >> 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?

    Iggy> DNScan?  But why do you want to block out France's largest
    Iggy> ISP? I know, telecom-run ISPs are usually very lame and
    Iggy> filled with lamers, but I thought only I was fascistoid
    Iggy> enough to do such things to entire subdomains.

Doesn't almost everyone have Korea and Tiawan blocked? Obviously true
for some definition of 'almost' and 'everyone', but pretty common,
I'd bet.