ip route add blackhole 136.244.208.0/20
ip route add blackhole 136.244.176.0/22
ip route add blackhole 136.244.192.0/20
ip route add blackhole 136.244.228.0/22
ip route add blackhole 136.244.244.0/22
ip route add blackhole 136.244.240.0/24
ip route add blackhole 136.244.176.0/21
ip route add blackhole 136.244.190.0/24
ip route add blackhole 136.244.243.0/24
ip route add blackhole 136.244.242.0/24
ip route add blackhole 136.244.128.0/17
ip route add blackhole 136.244.128.0/19
ip route add blackhole 136.244.224.0/22