ipset -N myBlackhole-4 hash:net family inet
ipset -N myBlackhole-6 hash:net family inet6
ipset -A myBlackhole-4 139.139.99.0/24
ipset -A myBlackhole-4 155.26.111.0/24
ipset -A myBlackhole-4 143.86.204.0/24
ipset -A myBlackhole-4 136.210.0.0/16
iptables -A INPUT -m set --match-set myBlackhole-4 src -j DROP
ip6tables -A INPUT -m set --match-set myBlackhole-6 src -j DROP