Tva vrushta(burzo) spisuk (compname,ip,mac) na nalichnite(raboteshti) mashini
(ima niakoi ochevidni predpostavki , neobhodimi za rabotata na tozi script/shit)

#!/bin/bash
for (( i = 1;i <= 254;i++ )); do
(ping -c1 -w1 192.168.0.$i 2>1&>/dev/null && test=`nmblookup -A 192.168.0.$i|grep '<00>'|grep -v '<GROUP>'|grep -v '~'|awk '{printf"%s ",$1}'`; if [ ! -z $test ]; then echo -n "$test "; arp -a 192.168.0.$i |awk '{printf"%s %s \n",$2,$4}'|sed 's/[(,)]//g';fi 1>/root/iotzo/tmp/192.168.0.$i ) &
done
sleep 5
(cd /root/iotzo/tmp/;ls|xargs cat)
sleep 5
(cd /root/iotzo/tmp/;rm -f *)
.........
It works for me tm.