ipset -N myBlackhole-4 hash:net family inet
ipset -N myBlackhole-6 hash:net family inet6
ipset -A myBlackhole-4 185.73.241.0/24
ipset -A myBlackhole-4 185.73.240.0/24
ipset -A myBlackhole-6 2a05:4740::/32
ipset -A myBlackhole-4 45.141.53.0/24
iptables -A INPUT -m set --match-set myBlackhole-4 src -j DROP
ip6tables -A INPUT -m set --match-set myBlackhole-6 src -j DROP