ipset -N myBlackhole-4 hash:net family inet
ipset -N myBlackhole-6 hash:net family inet6
ipset -A myBlackhole-4 24.56.164.0/22
ipset -A myBlackhole-6 2604:b180:40::/44
ipset -A myBlackhole-4 208.115.64.0/23
ipset -A myBlackhole-4 66.78.192.0/21
iptables -A INPUT -m set --match-set myBlackhole-4 src -j DROP
ip6tables -A INPUT -m set --match-set myBlackhole-6 src -j DROP