ipset -N myBlackhole-4 hash:net family inet
ipset -N myBlackhole-6 hash:net family inet6
ipset -A myBlackhole-4 93.94.50.0/24
ipset -A myBlackhole-4 81.90.18.0/24
ipset -A myBlackhole-4 93.94.55.0/24
ipset -A myBlackhole-6 2a00:8b20::/32
ipset -A myBlackhole-4 81.90.19.0/24
ipset -A myBlackhole-4 81.90.16.0/20
iptables -A INPUT -m set --match-set myBlackhole-4 src -j DROP
ip6tables -A INPUT -m set --match-set myBlackhole-6 src -j DROP