ip route add blackhole 173.233.48.0/20
ip route add blackhole 204.16.176.0/22
ip route add blackhole 208.73.108.0/22
ip route add blackhole 208.78.144.0/21
ip route add blackhole 208.89.200.0/21
ip route add blackhole 104.192.48.0/22
ip route add blackhole 72.5.150.0/23