ipset -N myBlackhole-4 hash:net family inet
ipset -N myBlackhole-6 hash:net family inet6
ipset -A myBlackhole-6 2400:8dc0::/32
ipset -A myBlackhole-4 103.157.224.0/23
ipset -A myBlackhole-4 103.83.36.0/22
ipset -A myBlackhole-4 223.26.16.0/22
iptables -A INPUT -m set --match-set myBlackhole-4 src -j DROP
ip6tables -A INPUT -m set --match-set myBlackhole-6 src -j DROP