ipset -N myBlackhole-4 hash:net family inet
ipset -N myBlackhole-6 hash:net family inet6
ipset -A myBlackhole-4 177.190.140.0/23
ipset -A myBlackhole-4 177.190.138.0/23
ipset -A myBlackhole-6 2804:120c::/32
ipset -A myBlackhole-6 2804:120c:f000::/36
ipset -A myBlackhole-4 177.190.136.0/23
ipset -A myBlackhole-4 177.190.142.0/23
iptables -A INPUT -m set --match-set myBlackhole-4 src -j DROP
ip6tables -A INPUT -m set --match-set myBlackhole-6 src -j DROP