ip route add blackhole 2400:af80::/32
ip route add blackhole 211.7.192.0/21
ip route add blackhole 210.249.192.0/19
ip route add blackhole 210.166.96.0/19
ip route add blackhole 203.140.0.0/19
ip route add blackhole 211.7.208.0/21
ip route add blackhole 210.159.96.0/19
ip route add blackhole 203.179.32.0/19