ipset -N myBlackhole-4 hash:net family inet
ipset -N myBlackhole-6 hash:net family inet6
ipset -A myBlackhole-4 201.54.208.0/20
ipset -A myBlackhole-4 201.54.216.0/24
ipset -A myBlackhole-4 201.54.216.0/21
ipset -A myBlackhole-4 201.54.208.0/21
ipset -A myBlackhole-4 201.54.223.0/24
ipset -A myBlackhole-6 2801:a0::/32
iptables -A INPUT -m set --match-set myBlackhole-4 src -j DROP
ip6tables -A INPUT -m set --match-set myBlackhole-6 src -j DROP