#!/bin/bash

function ctrl_c(){
    echo -e "\n\n[!] Saliendo...\n"
    tput cnorm; exit 0

}

tput civis

# Ctrl+C
trap ctrl_c SIGINT

echo -e "\n\n[+] Comprobar IPs mediante ping\n"
# Comprobar IPs
for i in $(seq 1 254); do
    timeout 1 bash -c "ping -c 1 192.168.2.$i" &>/dev/null && echo "192.168.2.$i is up" &
done

wait

echo -e "\n\n[+] Comprobar puertos mediante tcp\n"

# Comprobar puertos
for j in $(seq 1 254); do
    for port in 21 22 23 25 80 139 443 445 8080; do
        timeout 1 bash -c "echo >/dev/tcp/192.168.2.$j/$port" 2>/dev/null && echo "192.168.2.$j:$port is up" &
    done
done

wait

tput cnorm