#!/bin/bash

whois -h whois.radb.net -- '-i origin AS32934' | grep ^route: | \
    cut -f 2 -d ":" | sed -e 's/ //g' | sort -V > /tmp/facebook-ipv4.txt

for i in `cat /tmp/facebook-ipv4.txt`
    do echo "-A INPUT -p tcp -s $i -j DROP"
done > /tmp/facebook-ipv4-DROP.txt

cat /tmp/facebook-ipv4-DROP.txt