ipset -N myBlackhole-4 hash:net family inet
ipset -N myBlackhole-6 hash:net family inet6
ipset -A myBlackhole-4 187.120.181.0/24
ipset -A myBlackhole-4 187.120.179.0/24
ipset -A myBlackhole-4 187.120.180.0/24
ipset -A myBlackhole-4 187.120.189.0/24
ipset -A myBlackhole-4 187.120.187.0/24
ipset -A myBlackhole-4 187.120.184.0/24
ipset -A myBlackhole-4 187.120.185.0/24
ipset -A myBlackhole-4 187.120.190.0/24
ipset -A myBlackhole-4 187.120.178.0/24
ipset -A myBlackhole-4 187.120.182.0/24
ipset -A myBlackhole-4 187.120.186.0/24
ipset -A myBlackhole-4 187.120.183.0/24
ipset -A myBlackhole-4 187.120.191.0/24
ipset -A myBlackhole-4 187.120.176.0/24
ipset -A myBlackhole-4 187.120.177.0/24
ipset -A myBlackhole-4 187.120.188.0/24
ipset -A myBlackhole-4 187.120.176.0/20
iptables -A INPUT -m set --match-set myBlackhole-4 src -j DROP
ip6tables -A INPUT -m set --match-set myBlackhole-6 src -j DROP