ip route add blackhole 177.222.208.0/22
ip route add blackhole 177.222.212.0/22
ip route add blackhole 177.222.210.0/23
ip route add blackhole 177.222.208.0/23
ip route add blackhole 177.222.212.0/23
ip route add blackhole 177.222.208.0/21
ip route add blackhole 177.222.214.0/23
ip route add blackhole 2804:8c7c:9000::/38