Re: [gentoo-user] [OT] Finding other machines on the network

[fire-eyes <sgtphou@fire-eyes.org>]

On Wed, 2005-08-31 at 00:51 +1000, Andrew Lowe wrote:
> Hi all,
>         I have the situation where I've been loaned an old Sun SPARC
> box for 
> some work. It has a static IP somewhere in the 192.168.0.* range,
> which 
> my home network also is in. My question is, how can I find out the IP 
> address of the machine? I've forgotten what it is and it's also
> headless 
> with no keyboard. Is there a utilitiy in portage that will try all of 
> the ip addresses in a range and let me know if something it at the
> other 
> end, ie something like automatically pinging all of the addresses in
> a 
> range and reporting what addresses responded?

Nmap is what you want. It can do far more advanced things, too. But to
do a simple ping sweep (and portscan anything that it finds, which will
then reveal the IP):

nmap -T4 -F 192.168.0.*

You may need to tell it 192.168.0.0/24 instead.

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