ipset -N myBlackhole-4 hash:net family inet
ipset -N myBlackhole-6 hash:net family inet6
ipset -A myBlackhole-4 74.221.8.0/21
ipset -A myBlackhole-4 64.178.176.0/20
ipset -A myBlackhole-4 74.221.12.0/24
ipset -A myBlackhole-4 68.170.224.0/24
ipset -A myBlackhole-4 74.221.13.0/24
ipset -A myBlackhole-4 162.245.44.0/22
ipset -A myBlackhole-4 207.65.46.0/24
ipset -A myBlackhole-4 98.159.16.0/24
iptables -A INPUT -m set --match-set myBlackhole-4 src -j DROP
ip6tables -A INPUT -m set --match-set myBlackhole-6 src -j DROP