ipset -N myBlackhole-4 hash:net family inet
ipset -N myBlackhole-6 hash:net family inet6
ipset -A myBlackhole-6 2403:cfc0:1100::/48
ipset -A myBlackhole-4 103.131.190.0/24
ipset -A myBlackhole-6 2403:cfc0:1100::/44
ipset -A myBlackhole-4 103.131.188.0/24
ipset -A myBlackhole-4 103.131.191.0/24
iptables -A INPUT -m set --match-set myBlackhole-4 src -j DROP
ip6tables -A INPUT -m set --match-set myBlackhole-6 src -j DROP