ipset -N myBlackhole-4 hash:net family inet
ipset -N myBlackhole-6 hash:net family inet6
ipset -A myBlackhole-4 108.160.210.0/24
ipset -A myBlackhole-4 192.196.170.0/24
ipset -A myBlackhole-4 108.160.208.0/24
ipset -A myBlackhole-4 108.160.209.0/24
ipset -A myBlackhole-4 108.160.211.0/24
ipset -A myBlackhole-4 192.196.168.0/21
iptables -A INPUT -m set --match-set myBlackhole-4 src -j DROP
ip6tables -A INPUT -m set --match-set myBlackhole-6 src -j DROP