ipset -N myBlackhole-4 hash:net family inet
ipset -N myBlackhole-6 hash:net family inet6
ipset -A myBlackhole-4 185.25.233.0/24
ipset -A myBlackhole-4 185.25.232.0/24
ipset -A myBlackhole-6 2a04:3480::/29
ipset -A myBlackhole-6 2a0a:8fc0::/29
ipset -A myBlackhole-4 185.25.232.0/23
iptables -A INPUT -m set --match-set myBlackhole-4 src -j DROP
ip6tables -A INPUT -m set --match-set myBlackhole-6 src -j DROP