ipset -N myBlackhole-4 hash:net family inet
ipset -N myBlackhole-6 hash:net family inet6
ipset -A myBlackhole-4 72.9.60.0/22
ipset -A myBlackhole-4 72.9.52.0/22
ipset -A myBlackhole-4 72.9.56.0/22
ipset -A myBlackhole-4 72.9.32.0/20
ipset -A myBlackhole-4 72.9.48.0/22
ipset -A myBlackhole-4 72.9.58.0/23
ipset -A myBlackhole-4 64.56.96.0/19
iptables -A INPUT -m set --match-set myBlackhole-4 src -j DROP
ip6tables -A INPUT -m set --match-set myBlackhole-6 src -j DROP