ipset -N myBlackhole-4 hash:net family inet
ipset -N myBlackhole-6 hash:net family inet6
ipset -A myBlackhole-4 177.84.242.0/23
ipset -A myBlackhole-4 177.84.240.0/22
ipset -A myBlackhole-4 177.84.240.0/23
ipset -A myBlackhole-4 177.84.246.0/23
ipset -A myBlackhole-4 177.84.240.0/21
ipset -A myBlackhole-4 177.84.244.0/22
ipset -A myBlackhole-6 2804:68c::/32
ipset -A myBlackhole-4 177.84.244.0/23
iptables -A INPUT -m set --match-set myBlackhole-4 src -j DROP
ip6tables -A INPUT -m set --match-set myBlackhole-6 src -j DROP