ip route add blackhole 43.255.40.0/22
ip route add blackhole 223.252.112.0/20
ip route add blackhole 157.112.80.0/20
ip route add blackhole 202.6.244.0/22
ip route add blackhole 2001:df0:6800::/48
ip route add blackhole 103.254.144.0/22
ip route add blackhole 203.209.144.0/20