ipset -N myBlackhole-4 hash:net family inet
ipset -N myBlackhole-6 hash:net family inet6
ipset -A myBlackhole-4 208.83.22.0/24
ipset -A myBlackhole-4 208.83.21.0/24
ipset -A myBlackhole-4 208.83.23.0/24
ipset -A myBlackhole-6 2607:f178:10::/48
ipset -A myBlackhole-4 208.83.20.0/24
ipset -A myBlackhole-6 2607:f178:4::/48
ipset -A myBlackhole-6 2607:f178:5::/48
ipset -A myBlackhole-6 2607:f178::/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