ip route add blackhole 103.9.222.0/24
ip route add blackhole 223.130.6.0/24
ip route add blackhole 223.130.5.0/24
ip route add blackhole 223.130.7.0/24
ip route add blackhole 103.9.222.0/23
ip route add blackhole 223.130.4.0/24
ip route add blackhole 103.9.223.0/24
ip route add blackhole 223.130.4.0/22