ip route add blackhole 41.222.46.0/24
ip route add blackhole 41.222.47.0/24
ip route add blackhole 41.222.44.0/24
ip route add blackhole 41.222.40.0/24
ip route add blackhole 41.222.45.0/24
ip route add blackhole 41.222.42.0/24
ip route add blackhole 41.222.43.0/24