find all active IP addresses in a network

nmap -sP 192.168.0.*
There are several other options. This one is plain and simple. Another option is: nmap -sP
Sample Output
Starting Nmap 4.76 ( ) at 2009-08-31 15:04 IDT
Host appears to be up.
Host appears to be up.
Host ( appears to be up.
Nmap done: 256 IP addresses (5 hosts up) scanned in 1.29 seconds

2009-08-31 12:10:16

What Others Think

Great hack ...
Neo23x0 · 633 weeks and 2 days ago

What do you think?

Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

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