#!/bin/bash
ip="192.168.119."
for i in {1..254}
do
ping -c 2 $ip$i |grep -q "ttl=" && echo "$ip$i" >> yes.txt ||echo "$ip$i" >> no.txt
done 

#!/bin/bash
ip="192.168.119."
for i in {1..254}
do
ping -c 2 $ip$i |grep -q "ttl=" && echo "$ip$i" >> yes.txt ||echo "$ip$i" >> no.txt &
done 
 

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