ip route add blackhole 212.191.0.0/17
ip route add blackhole 212.51.207.0/24
ip route add blackhole 212.51.208.0/20
ip route add blackhole 212.51.192.0/21
ip route add blackhole 192.153.127.0/24
ip route add blackhole 212.51.204.0/24
ip route add blackhole 2001:b10::/35