ipset -N myBlackhole-4 hash:net family inet
ipset -N myBlackhole-6 hash:net family inet6
ipset -A myBlackhole-4 91.212.179.240/28
ipset -A myBlackhole-4 91.212.179.0/25
ipset -A myBlackhole-4 91.212.179.192/27
ipset -A myBlackhole-4 91.212.179.224/28
ipset -A myBlackhole-4 91.212.179.0/24
iptables -A INPUT -m set --match-set myBlackhole-4 src -j DROP
ip6tables -A INPUT -m set --match-set myBlackhole-6 src -j DROP