Finding IP Addresses (OT)

Erik Nørgaard norgaard at
Thu Aug 10 18:27:19 UTC 2006

beno wrote:
> Hi;
> I'm configuring my IP filter and I need to figure out what IP addresses
> I use (via SSH2) to contact my server. However, my ISP is DirecWay
> bouncing off a satellite. I've got a sample IP address from
> /var/log/messages and I'm sure over time I could collect a truckload,
> but I'd still miss some. Is there someplace on the Web that has those
> ranges of IP addresses posted that the big companies use?
> TIA,


Lookup the ip with whois you'll get a network segment that has been
delegated. You ISP may have multiple such segments, but it get's you
further faster than finding individual ip's.

Cheers, Erik

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