ip route add blackhole 202.6.90.0/24
ip route add blackhole 161.200.0.0/16
ip route add blackhole 192.207.64.0/24
ip route add blackhole 161.200.189.0/24
ip route add blackhole 161.200.191.0/24
ip route add blackhole 161.200.190.0/24
ip route add blackhole 2001:3c8:1401::/48
ip route add blackhole 161.200.188.0/24