ipset -N myBlackhole-4 hash:net family inet
ipset -N myBlackhole-6 hash:net family inet6
ipset -A myBlackhole-4 207.126.40.0/21
ipset -A myBlackhole-4 134.195.205.0/24
ipset -A myBlackhole-4 52.128.30.0/24
ipset -A myBlackhole-4 69.55.160.0/20
ipset -A myBlackhole-4 104.152.40.0/22
iptables -A INPUT -m set --match-set myBlackhole-4 src -j DROP
ip6tables -A INPUT -m set --match-set myBlackhole-6 src -j DROP