ipset -N myBlackhole-4 hash:net family inet
ipset -N myBlackhole-6 hash:net family inet6
ipset -A myBlackhole-4 194.28.112.0/24
ipset -A myBlackhole-4 194.28.115.0/24
ipset -A myBlackhole-4 195.206.252.0/24
ipset -A myBlackhole-4 194.28.113.0/24
ipset -A myBlackhole-4 194.28.114.0/24
ipset -A myBlackhole-4 195.206.253.0/24
ipset -A myBlackhole-4 91.221.99.0/24
iptables -A INPUT -m set --match-set myBlackhole-4 src -j DROP
ip6tables -A INPUT -m set --match-set myBlackhole-6 src -j DROP