ip route add blackhole 177.222.220.0/22
ip route add blackhole 177.222.223.0/24
ip route add blackhole 177.222.216.0/22
ip route add blackhole 177.222.221.0/24
ip route add blackhole 177.222.220.0/24
ip route add blackhole 177.222.219.0/24
ip route add blackhole 177.222.218.0/24
ip route add blackhole 177.222.216.0/24
ip route add blackhole 177.222.222.0/24
ip route add blackhole 177.222.217.0/24