ip route add blackhole 204.193.73.0/24
ip route add blackhole 204.193.64.0/19
ip route add blackhole 204.193.80.0/24
ip route add blackhole 204.193.75.0/24
ip route add blackhole 204.193.64.0/20
ip route add blackhole 204.193.80.0/20
ip route add blackhole 204.193.89.0/24
ip route add blackhole 204.193.72.0/24
ip route add blackhole 204.193.74.0/24
ip route add blackhole 204.193.93.0/24
ip route add blackhole 204.193.76.0/24
ip route add blackhole 204.193.71.0/24
ip route add blackhole 204.193.70.0/24
ip route add blackhole 204.193.88.0/24
ip route add blackhole 204.193.85.0/24
ip route add blackhole 204.193.84.0/24
ip route add blackhole 204.193.90.0/23
ip route add blackhole 204.193.86.0/23