ipset -N myBlackhole-4 hash:net family inet
ipset -N myBlackhole-6 hash:net family inet6
ipset -A myBlackhole-4 209.215.223.0/24
ipset -A myBlackhole-4 216.78.92.0/22
ipset -A myBlackhole-4 209.215.227.0/24
ipset -A myBlackhole-4 209.214.140.0/22
ipset -A myBlackhole-4 209.214.128.0/21
iptables -A INPUT -m set --match-set myBlackhole-4 src -j DROP
ip6tables -A INPUT -m set --match-set myBlackhole-6 src -j DROP