ip route add blackhole 72.9.60.0/22 ip route add blackhole 72.9.52.0/22 ip route add blackhole 72.9.56.0/22 ip route add blackhole 72.9.32.0/20 ip route add blackhole 72.9.48.0/22 ip route add blackhole 72.9.58.0/23 ip route add blackhole 64.56.96.0/19