ipset -N myBlackhole-4 hash:net family inet
ipset -N myBlackhole-6 hash:net family inet6
ipset -A myBlackhole-4 74.82.160.0/19
ipset -A myBlackhole-4 50.115.128.0/20
ipset -A myBlackhole-4 173.252.192.0/18
ipset -A myBlackhole-4 204.74.208.0/20
ipset -A myBlackhole-4 198.144.240.0/20
iptables -A INPUT -m set --match-set myBlackhole-4 src -j DROP
ip6tables -A INPUT -m set --match-set myBlackhole-6 src -j DROP