ipset -N myBlackhole-4 hash:net family inet
ipset -N myBlackhole-6 hash:net family inet6
ipset -A myBlackhole-4 177.11.113.0/24
ipset -A myBlackhole-4 177.11.112.0/22
ipset -A myBlackhole-6 2804:2a74::/32
ipset -A myBlackhole-4 177.11.114.0/24
ipset -A myBlackhole-4 177.11.112.0/21
iptables -A INPUT -m set --match-set myBlackhole-4 src -j DROP
ip6tables -A INPUT -m set --match-set myBlackhole-6 src -j DROP