ipset -N myBlackhole-4 hash:net family inet
ipset -N myBlackhole-6 hash:net family inet6
ipset -A myBlackhole-4 117.51.5.0/24
ipset -A myBlackhole-4 117.51.4.0/24
ipset -A myBlackhole-4 117.51.6.0/24
ipset -A myBlackhole-4 117.51.130.0/24
ipset -A myBlackhole-4 117.51.7.0/24
ipset -A myBlackhole-4 117.51.2.0/24
ipset -A myBlackhole-4 117.51.1.0/24
ipset -A myBlackhole-4 117.51.0.0/24
ipset -A myBlackhole-4 117.51.0.0/17
ipset -A myBlackhole-4 117.51.3.0/24
iptables -A INPUT -m set --match-set myBlackhole-4 src -j DROP
ip6tables -A INPUT -m set --match-set myBlackhole-6 src -j DROP