ip route add blackhole 202.40.221.0/24
ip route add blackhole 2001:ce0::/32
ip route add blackhole 192.245.196.0/24
ip route add blackhole 175.159.254.0/24
ip route add blackhole 203.188.112.0/24
ip route add blackhole 2001:ce0:1::/48
ip route add blackhole 203.188.118.0/24
ip route add blackhole 203.188.117.0/24
ip route add blackhole 202.40.218.0/24