ipset -N myBlackhole-4 hash:net family inet
ipset -N myBlackhole-6 hash:net family inet6
ipset -A myBlackhole-4 103.181.163.0/24
ipset -A myBlackhole-4 103.251.244.0/24
ipset -A myBlackhole-6 2001:df0:2c5::/48
ipset -A myBlackhole-4 103.12.74.0/24
ipset -A myBlackhole-4 103.211.28.0/24
iptables -A INPUT -m set --match-set myBlackhole-4 src -j DROP
ip6tables -A INPUT -m set --match-set myBlackhole-6 src -j DROP