ipset -N myBlackhole-4 hash:net family inet
ipset -N myBlackhole-6 hash:net family inet6
ipset -A myBlackhole-4 187.49.32.0/21
ipset -A myBlackhole-4 187.49.40.0/21
ipset -A myBlackhole-6 2804:1a4::/33
ipset -A myBlackhole-4 187.103.208.0/20
ipset -A myBlackhole-4 187.103.208.0/21
ipset -A myBlackhole-4 187.49.32.0/20
ipset -A myBlackhole-6 2804:1a4:8000::/33
ipset -A myBlackhole-4 187.103.216.0/21
ipset -A myBlackhole-6 2804:1a4::/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