ip route add blackhole 131.183.224.0/19
ip route add blackhole 198.30.192.0/24
ip route add blackhole 198.30.237.0/24
ip route add blackhole 198.30.181.0/24
ip route add blackhole 198.30.180.0/23
ip route add blackhole 131.183.0.0/16
ip route add blackhole 136.247.0.0/16