ipset -N myBlackhole-4 hash:net family inet
ipset -N myBlackhole-6 hash:net family inet6
ipset -A myBlackhole-4 103.21.81.0/24
ipset -A myBlackhole-6 2605:9d00::/32
ipset -A myBlackhole-4 199.180.72.0/21
ipset -A myBlackhole-4 104.36.20.0/22
ipset -A myBlackhole-4 204.77.222.0/23
ipset -A myBlackhole-4 162.251.160.0/22
iptables -A INPUT -m set --match-set myBlackhole-4 src -j DROP
ip6tables -A INPUT -m set --match-set myBlackhole-6 src -j DROP