Equivalent Scan with THCRut # time ./thcrut arp 192.168.203.0-192.168.203.255 thcrut: using source ip 192.168.203.81 thcrut: listening on eth0 192.168.203.0 00:04:23:ae:cd:42 HP 192.168.203.126 00:04:23:ae:cd:42 HP [...] 0.035u 0.005s 0:07.45 0.4% 0+0k 0+0io 0pf+0w