ip route add blackhole 119.38.128.0/18
ip route add blackhole 120.31.112.0/20
ip route add blackhole 120.31.192.0/18
ip route add blackhole 120.31.192.0/19
ip route add blackhole 120.31.224.0/19
ip route add blackhole 120.31.1.0/24
ip route add blackhole 120.31.0.0/24
ip route add blackhole 120.31.96.0/19
ip route add blackhole 120.31.96.0/20
ip route add blackhole 120.31.0.0/16