ipset -N myBlackhole-4 hash:net family inet
ipset -N myBlackhole-6 hash:net family inet6
ipset -A myBlackhole-4 146.50.0.0/16
ipset -A myBlackhole-4 145.109.0.0/17
ipset -A myBlackhole-4 145.109.128.0/17
ipset -A myBlackhole-4 145.18.0.0/16
iptables -A INPUT -m set --match-set myBlackhole-4 src -j DROP
ip6tables -A INPUT -m set --match-set myBlackhole-6 src -j DROP