ipset -N myBlackhole-4 hash:net family inet
ipset -N myBlackhole-6 hash:net family inet6
ipset -A myBlackhole-4 103.74.188.0/23
ipset -A myBlackhole-4 202.12.71.0/24
ipset -A myBlackhole-6 2401:1400::/32
ipset -A myBlackhole-4 43.248.44.0/22
ipset -A myBlackhole-4 119.252.0.0/19
iptables -A INPUT -m set --match-set myBlackhole-4 src -j DROP
ip6tables -A INPUT -m set --match-set myBlackhole-6 src -j DROP