ipset -N myBlackhole-4 hash:net family inet
ipset -N myBlackhole-6 hash:net family inet6
ipset -A myBlackhole-4 209.146.12.0/23
ipset -A myBlackhole-4 154.21.160.0/22
ipset -A myBlackhole-4 103.100.112.0/22
ipset -A myBlackhole-4 209.146.96.0/22
ipset -A myBlackhole-6 2401:bbc0::/32
iptables -A INPUT -m set --match-set myBlackhole-4 src -j DROP
ip6tables -A INPUT -m set --match-set myBlackhole-6 src -j DROP