Para fazer um scan de range de endereços em uma rede basta executar o seguinte comando:
Para o intervalo de IPs 192.168.0.1 to 192.168.0.9
Para ubuntu
sudo fping -s -g 192.168.0.1 192.168.0.9 -r 1
Para máquinas com Debian
fping -s -g 192.168.0.1 192.168.0.9 -r 1
Resultados:
192.168.0.1 is alive
192.168.0.7 is alive
192.168.0.2 is unreachable
192.168.0.3 is unreachable
192.168.0.4 is unreachable
192.168.0.5 is unreachable
192.168.0.6 is unreachable
192.168.0.8 is unreachable
192.168.0.9 is unreachable
9 targets
2 alive
7 unreachable
0 unknown addresses
14 timeouts (waiting for response)
16 ICMP Echos sent
2 ICMP Echo Replies received
0 other ICMP received
0.05 ms (min round trip time)
0.44 ms (avg round trip time)
0.84 ms (max round trip time)
2.183 sec (elapsed real time)
Fonte: http://www.linuxscrew.com/2007/09/17/ping-range-of-ip-addresses-in-parallel-with-fping/







