ipset -N myBlackhole-4 hash:net family inet
ipset -N myBlackhole-6 hash:net family inet6
ipset -A myBlackhole-4 128.12.0.0/16
ipset -A myBlackhole-6 2620:6c:40c0::/48
ipset -A myBlackhole-6 2607:f6d0::/32
ipset -A myBlackhole-4 171.64.0.0/14
ipset -A myBlackhole-4 204.63.224.0/21
iptables -A INPUT -m set --match-set myBlackhole-4 src -j DROP
ip6tables -A INPUT -m set --match-set myBlackhole-6 src -j DROP