ipset -N myBlackhole-4 hash:net family inet
ipset -N myBlackhole-6 hash:net family inet6
ipset -A myBlackhole-4 91.222.44.0/22
ipset -A myBlackhole-6 2001:67c:764::/48
ipset -A myBlackhole-4 91.222.47.0/24
ipset -A myBlackhole-4 91.222.45.0/24
ipset -A myBlackhole-4 91.222.46.0/24
ipset -A myBlackhole-4 91.222.44.0/24
iptables -A INPUT -m set --match-set myBlackhole-4 src -j DROP
ip6tables -A INPUT -m set --match-set myBlackhole-6 src -j DROP