#!/bin/bash
set -e

# search for gateways on a class-a subnet
# e.g. 10.0.0.0/8

echo -n writing to ips1 ips2 ips3 ...
rm -f ips1 ips2 ips3
for b in `seq 0 255`; do
        for c in `seq 0 255`; do
                echo 10.$b.$c.1   >> ips1
                echo 10.$b.$c.2   >> ips2
                echo 10.$b.$c.254 >> ips3
        done; unset c
done; unset b

echo done