ipset -N myBlackhole-4 hash:net family inet
ipset -N myBlackhole-6 hash:net family inet6
ipset -A myBlackhole-4 103.80.240.0/24
ipset -A myBlackhole-4 103.80.242.0/24
ipset -A myBlackhole-4 103.80.241.0/24
ipset -A myBlackhole-4 103.80.243.0/24
ipset -A myBlackhole-6 2400:5ec0:13::/48
iptables -A INPUT -m set --match-set myBlackhole-4 src -j DROP
ip6tables -A INPUT -m set --match-set myBlackhole-6 src -j DROP