ipset -N myBlackhole-4 hash:net family inet
ipset -N myBlackhole-6 hash:net family inet6
ipset -A myBlackhole-4 177.222.220.0/22
ipset -A myBlackhole-4 177.222.223.0/24
ipset -A myBlackhole-4 177.222.216.0/22
ipset -A myBlackhole-4 177.222.221.0/24
ipset -A myBlackhole-4 177.222.220.0/24
ipset -A myBlackhole-4 177.222.219.0/24
ipset -A myBlackhole-4 177.222.218.0/24
ipset -A myBlackhole-4 177.222.216.0/24
ipset -A myBlackhole-4 177.222.222.0/24
ipset -A myBlackhole-4 177.222.217.0/24
iptables -A INPUT -m set --match-set myBlackhole-4 src -j DROP
ip6tables -A INPUT -m set --match-set myBlackhole-6 src -j DROP