ipset -N myBlackhole-4 hash:net family inet
ipset -N myBlackhole-6 hash:net family inet6
ipset -A myBlackhole-4 177.222.208.0/22
ipset -A myBlackhole-4 177.222.212.0/22
ipset -A myBlackhole-4 177.222.210.0/23
ipset -A myBlackhole-4 177.222.208.0/23
ipset -A myBlackhole-4 177.222.212.0/23
ipset -A myBlackhole-4 177.222.208.0/21
ipset -A myBlackhole-4 177.222.214.0/23
ipset -A myBlackhole-6 2804:8c7c:9000::/38
iptables -A INPUT -m set --match-set myBlackhole-4 src -j DROP
ip6tables -A INPUT -m set --match-set myBlackhole-6 src -j DROP