#!/bin/bash
echo "== HOSTS =="
cat /etc/hosts 2>/dev/null
echo "== PING SWEEP 192.168.1.0/24 =="
for i in $(seq 1 254); do
  if ping -c1 -W1 192.168.1.$i >/dev/null 2>&1; then echo "UP 192.168.1.$i"; fi
done
echo "== PING SWEEP 10.0.0.0/24 =="
for i in $(seq 1 254); do
  if ping -c1 -W1 10.0.0.$i >/dev/null 2>&1; then echo "UP 10.0.0.$i"; fi
done
echo "== GATEWAY/ARP =="
ip route 2>/dev/null
arp -a 2>/dev/null | head -40
echo "== DONE =="