ip route add blackhole 2804:28e0::/32
ip route add blackhole 168.197.4.0/22
ip route add blackhole 177.72.172.0/22
ip route add blackhole 177.72.168.0/22
ip route add blackhole 143.0.40.0/22
ip route add blackhole 143.0.41.0/24
ip route add blackhole 177.72.173.0/24
ip route add blackhole 143.0.40.0/24