ip route add blackhole 192.0.32.0/24
ip route add blackhole 192.0.32.0/22
ip route add blackhole 2001:500:88::/48
ip route add blackhole 2620:0:2d0::/48
ip route add blackhole 2602:800:900e::/48
ip route add blackhole 199.4.28.0/24
ip route add blackhole 208.77.188.0/22
ip route add blackhole 192.0.43.0/24