ip route add blackhole 178.216.27.0/24
ip route add blackhole 178.216.26.0/24
ip route add blackhole 178.216.29.0/24
ip route add blackhole 178.216.30.0/24
ip route add blackhole 178.216.25.0/24
ip route add blackhole 178.216.28.0/24
ip route add blackhole 178.216.31.0/24
ip route add blackhole 178.216.24.0/24