ip route add blackhole 61.252.177.0/24
ip route add blackhole 103.254.249.0/24
ip route add blackhole 61.252.176.0/24
ip route add blackhole 103.66.194.0/24
ip route add blackhole 103.254.248.0/24
ip route add blackhole 103.66.195.0/24
ip route add blackhole 103.66.192.0/24
ip route add blackhole 103.66.193.0/24
ip route add blackhole 61.252.191.0/24
ip route add blackhole 61.252.178.0/24