ip route add blackhole 210.74.40.0/24
ip route add blackhole 210.74.41.0/24
ip route add blackhole 210.74.42.0/24
ip route add blackhole 2404:e280:1::/48
ip route add blackhole 210.74.47.0/24
ip route add blackhole 210.74.44.0/24
ip route add blackhole 210.74.43.0/24
ip route add blackhole 2404:e280::/48
ip route add blackhole 210.74.45.0/24