[rescue] IP blocks
Eric Dittman
dittman at dittman.net
Wed Feb 20 17:32:29 CST 2002
> > >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?
> >
> > DNScan?
> > But why do you want to block out France's largest ISP? I know, telecom-run
> > ISPs are usually very lame and filled with lamers, but I thought only I was
> > fascistoid enough to do such things to entire subdomains.
>
> The follow-ups about the problems with lots of hack attempts
> and the inability of the ISP to do anything about it.
>
> I'm also going to block one of Germany's biggest ISPs, too.
> I see a lot of hack attempts from t-dialin.net.
BTW, I still haven't found an easy way to translate an AS
number (AS3215 in this case) into a set of IP blocks.
--
Eric Dittman
dittman at dittman.net
Check out the DEC Enthusiasts Club at http://www.dittman.net/
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