ipset -N myBlackhole-4 hash:net family inet
ipset -N myBlackhole-6 hash:net family inet6
ipset -A myBlackhole-4 23.142.89.0/24
ipset -A myBlackhole-4 44.48.41.0/24
ipset -A myBlackhole-6 2a0b:6b81:210::/48
ipset -A myBlackhole-6 2a0b:6b81:205::/48
ipset -A myBlackhole-6 2a0b:6b81:1::/48
ipset -A myBlackhole-6 2a0b:6b81:208::/48
iptables -A INPUT -m set --match-set myBlackhole-4 src -j DROP
ip6tables -A INPUT -m set --match-set myBlackhole-6 src -j DROP