pentest-distro-builder/filesystem/root/scripts/pingsweepb.sh

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#!/bin/bash
#----Zero the counter
counter=0
#----Start the loop for the 4th octect. Must start at 1 since 0 would be broadcast
for ip4 in $(seq 1 254); do
#----Start the loop for the 3rd octect. This sould start form 0
for ip3 in $(seq 0 254); do
#----Ping 1 time, look for bytes from to indicate sucessful ping
#----Echo the 4th field form the response which is the ip address
ping -c 1 10.1.$ip3.$ip4 |grep "bytes from" |cut -d" " -f4|cut -d";" -f1&
#echo 10.1.$ip3.$ip4
counter=$((counter+1))
done
done
echo $counter