ip route add blackhole 116.204.162.0/24
ip route add blackhole 103.18.163.0/24
ip route add blackhole 103.18.160.0/24
ip route add blackhole 103.18.162.0/24
ip route add blackhole 116.204.161.0/24
ip route add blackhole 103.18.161.0/24
ip route add blackhole 116.204.160.0/24