ip route add blackhole 203.119.13.0/24
ip route add blackhole 203.119.52.0/24
ip route add blackhole 203.119.54.0/24
ip route add blackhole 2001:dc6::/32
ip route add blackhole 203.119.55.0/24
ip route add blackhole 2001:7fa:2:100::/64
ip route add blackhole 203.119.53.0/24