ipset -N myBlackhole-4 hash:net family inet
ipset -N myBlackhole-6 hash:net family inet6
ipset -A myBlackhole-4 177.87.253.0/24
ipset -A myBlackhole-4 177.87.254.0/24
ipset -A myBlackhole-4 177.87.255.0/24
ipset -A myBlackhole-4 177.87.252.0/23
ipset -A myBlackhole-4 177.87.252.0/22
ipset -A myBlackhole-6 2804:1574::/32
ipset -A myBlackhole-4 177.87.252.0/24
ipset -A myBlackhole-4 177.87.254.0/23
iptables -A INPUT -m set --match-set myBlackhole-4 src -j DROP
ip6tables -A INPUT -m set --match-set myBlackhole-6 src -j DROP