Re: IP addres block Info

[Kenton Brede <xyf_(_at_)_nixnotes_(_dot_)_org>]

On Sat, May 24, 2003 at 11:32:16AM -0500, Dave Feustel wrote:
> I've started using tcpdump and pf.
> I want to block the entire iprange of 
> doubleclick.net, but I can't figure out
> how to get the info. I tried nslookup
> but that gives only specific addresses.
> Then I tried nslookup interactively, setting
> the server to a doubleclick ns, but it refuses
> the commands that I think would give the ip
> block assigned to doubleclick. How do I
> get the ip address blocks assigned to doubleclick,
> comcast, attbi, etc?

searching for 216.73.92.112 at -
http://ws.arin.net/cgi-bin/whois.pl

NetRange:   216.73.80.0 - 216.73.95.255
hth,
kent

-- 
"I am always doing that which I can not do, 
   in order that I may learn how to do it." --Pablo Picasso