pinger

ip_address="0.0.0.0"

if [ "$1" != "" ]
then
    ip_address="$1"
else
    read -p "IP: " ip_address
fi

base=$(echo "$ip_address" | cut -d . -f1-3)

for i in {1..135}
do
    if ping -c 1 -W 1 "$base.$i" &> /dev/null
    then
        echo "$base.$i";
    else
        echo "No response from $base.$i"
    fi
done