ip route add blackhole 66.51.240.0/20
ip route add blackhole 204.16.200.0/21
ip route add blackhole 204.14.16.0/22
ip route add blackhole 63.142.160.0/20
ip route add blackhole 208.71.112.0/21
ip route add blackhole 2001:4938::/32
ip route add blackhole 67.21.224.0/19
ip route add blackhole 67.21.231.0/24
ip route add blackhole 67.21.229.0/24