ipset -N myBlackhole-4 hash:net family inet
ipset -N myBlackhole-6 hash:net family inet6
ipset -A myBlackhole-4 204.77.32.0/19
ipset -A myBlackhole-6 2607:f930::/32
ipset -A myBlackhole-4 199.17.0.0/16
ipset -A myBlackhole-4 134.29.0.0/16
iptables -A INPUT -m set --match-set myBlackhole-4 src -j DROP
ip6tables -A INPUT -m set --match-set myBlackhole-6 src -j DROP