#!/bin/bash
subnet="10.0.0.0/24"
delay=60
count=0

while true; do
    echo -e "\ndate $(date) count $count delay $delay subnet $subnet\n"
    nmap -sV -Pn -T4 -p22 $subnet -oG - | grep -n '22/open/tcp'
    sleep $delay
    count=$((count + 1))
done