ip route add blackhole 187.120.200.0/21
ip route add blackhole 187.120.200.0/24
ip route add blackhole 187.120.192.0/20
ip route add blackhole 187.120.197.0/24
ip route add blackhole 187.120.204.0/24
ip route add blackhole 187.120.198.0/24
ip route add blackhole 187.120.195.0/24
ip route add blackhole 187.120.199.0/24
ip route add blackhole 187.120.192.0/21