ipset -N myBlackhole-4 hash:net family inet
ipset -N myBlackhole-6 hash:net family inet6
ipset -A myBlackhole-4 217.175.17.0/24
ipset -A myBlackhole-4 217.175.24.0/24
ipset -A myBlackhole-4 217.175.18.0/24
ipset -A myBlackhole-4 217.175.26.0/24
ipset -A myBlackhole-4 217.175.16.0/24
ipset -A myBlackhole-4 217.175.23.0/24
ipset -A myBlackhole-4 217.175.22.0/24
ipset -A myBlackhole-4 217.175.20.0/24
ipset -A myBlackhole-4 217.175.21.0/24
ipset -A myBlackhole-4 217.175.19.0/24
ipset -A myBlackhole-4 217.175.25.0/24
iptables -A INPUT -m set --match-set myBlackhole-4 src -j DROP
ip6tables -A INPUT -m set --match-set myBlackhole-6 src -j DROP