ip route add blackhole 199.27.218.0/24
ip route add blackhole 199.27.216.0/22
ip route add blackhole 199.27.216.0/24
ip route add blackhole 199.27.222.0/24
ip route add blackhole 199.27.223.0/24
ip route add blackhole 199.27.217.0/24
ip route add blackhole 199.27.221.0/24
ip route add blackhole 199.27.220.0/24
ip route add blackhole 199.27.219.0/24