ipset -N myBlackhole-4 hash:net family inet
ipset -N myBlackhole-6 hash:net family inet6
ipset -A myBlackhole-4 208.72.0.0/22
ipset -A myBlackhole-4 208.65.128.0/22
ipset -A myBlackhole-4 204.15.128.0/22
ipset -A myBlackhole-4 208.92.208.0/21
ipset -A myBlackhole-4 204.11.212.0/22
ipset -A myBlackhole-4 204.13.208.0/22
ipset -A myBlackhole-4 208.75.248.0/21
iptables -A INPUT -m set --match-set myBlackhole-4 src -j DROP
ip6tables -A INPUT -m set --match-set myBlackhole-6 src -j DROP