ip route add blackhole 74.115.168.0/21
ip route add blackhole 208.82.128.0/22
ip route add blackhole 208.88.48.0/21
ip route add blackhole 173.195.144.0/20
ip route add blackhole 76.8.48.0/20
ip route add blackhole 199.16.48.0/21
ip route add blackhole 2604:bf00::/32
ip route add blackhole 208.72.236.0/22