ipset -N myBlackhole-4 hash:net family inet
ipset -N myBlackhole-6 hash:net family inet6
ipset -A myBlackhole-4 103.49.252.0/24
ipset -A myBlackhole-6 2400:8bc0::/32
ipset -A myBlackhole-4 103.211.39.0/24
ipset -A myBlackhole-4 103.49.253.0/24
ipset -A myBlackhole-4 103.211.37.0/24
ipset -A myBlackhole-4 103.211.38.0/24
ipset -A myBlackhole-4 103.211.36.0/24
iptables -A INPUT -m set --match-set myBlackhole-4 src -j DROP
ip6tables -A INPUT -m set --match-set myBlackhole-6 src -j DROP