ip route add blackhole 41.76.198.0/24
ip route add blackhole 41.76.195.0/24
ip route add blackhole 41.76.199.0/24
ip route add blackhole 41.76.192.0/21
ip route add blackhole 41.76.197.0/24
ip route add blackhole 41.76.192.0/24
ip route add blackhole 41.76.193.0/24
ip route add blackhole 41.76.196.0/24