ipset -N myBlackhole-4 hash:net family inet
ipset -N myBlackhole-6 hash:net family inet6
ipset -A myBlackhole-4 216.18.231.0/24
ipset -A myBlackhole-4 216.18.232.0/24
ipset -A myBlackhole-4 216.18.226.0/24
ipset -A myBlackhole-4 204.14.121.0/24
ipset -A myBlackhole-4 216.18.228.0/24
ipset -A myBlackhole-4 216.18.227.0/24
ipset -A myBlackhole-4 216.18.238.0/24
ipset -A myBlackhole-4 204.14.120.0/24
ipset -A myBlackhole-4 216.18.237.0/24
iptables -A INPUT -m set --match-set myBlackhole-4 src -j DROP
ip6tables -A INPUT -m set --match-set myBlackhole-6 src -j DROP