Recipe: Listing all the machines alive on a network

fping
=====

$ fping -a 192.160.1/24 -g 2> /dev/null 
192.168.0.1 
192.168.0.90

OR

$ fping -a 192.168.0.1 192.168.0.255 -g


DNS lookup with fping
=====================
$ cat ip.list 
192.168.0.86 
192.168.0.9 
192.168.0.6

$ fping -a -d 2>/dev/null  < ip.list 
www.local 
dnss.local



Scripts:
========
ping.sh
fast_ping.sh