ipset -N myBlackhole-4 hash:net family inet
ipset -N myBlackhole-6 hash:net family inet6
ipset -A myBlackhole-4 81.27.96.0/24
ipset -A myBlackhole-4 192.71.211.0/24
ipset -A myBlackhole-4 81.27.96.0/20
ipset -A myBlackhole-4 37.235.55.0/24
ipset -A myBlackhole-6 2a02:2bb8::/32
ipset -A myBlackhole-4 146.247.48.0/20
iptables -A INPUT -m set --match-set myBlackhole-4 src -j DROP
ip6tables -A INPUT -m set --match-set myBlackhole-6 src -j DROP