ip route add blackhole 186.192.166.0/23
ip route add blackhole 2804:578::/32
ip route add blackhole 186.192.172.0/22
ip route add blackhole 186.192.160.0/20
ip route add blackhole 186.192.168.0/22
ip route add blackhole 186.192.162.0/24
ip route add blackhole 186.192.168.0/21
ip route add blackhole 186.192.160.0/21
ip route add blackhole 186.192.164.0/23