ip route add blackhole 202.233.80.0/22
ip route add blackhole 220.254.128.0/17
ip route add blackhole 220.254.0.0/18
ip route add blackhole 220.254.64.0/18
ip route add blackhole 103.142.6.0/23
ip route add blackhole 2403:3200::/32
ip route add blackhole 220.254.0.0/16
ip route add blackhole 220.254.0.0/17
ip route add blackhole 220.254.128.0/18
ip route add blackhole 220.254.192.0/18