How to find IP address of a machine on network?

[Matthew Flaschen]

Thomas Kaiser wrote:
> You can use nmap in a terminal to scan the network for open ports.
> 
> thomas at AMD64:~$ nmap 192.168.0.*

Port-scanning doesn't tell him which computer has which IP, only that
there are several computers, each with /an/ IP.  He said, "there are a
few devices which get their address by DHCP".

Matt Flaschen