ipset -N myBlackhole-4 hash:net family inet
ipset -N myBlackhole-6 hash:net family inet6
ipset -A myBlackhole-4 81.25.123.0/24
ipset -A myBlackhole-4 81.25.127.0/24
ipset -A myBlackhole-4 81.25.113.0/24
ipset -A myBlackhole-4 81.25.121.0/24
ipset -A myBlackhole-4 81.25.124.0/24
ipset -A myBlackhole-4 81.25.126.0/24
ipset -A myBlackhole-4 81.25.125.0/24
ipset -A myBlackhole-4 81.25.118.0/24
ipset -A myBlackhole-4 81.25.122.0/24
ipset -A myBlackhole-4 185.61.125.0/24
ipset -A myBlackhole-4 81.25.112.0/24
ipset -A myBlackhole-4 81.25.117.0/24
ipset -A myBlackhole-4 81.25.114.0/24
ipset -A myBlackhole-4 81.25.116.0/24
ipset -A myBlackhole-4 81.25.120.0/24
ipset -A myBlackhole-4 185.61.126.0/24
ipset -A myBlackhole-4 185.61.124.0/24
ipset -A myBlackhole-4 81.25.119.0/24
ipset -A myBlackhole-4 81.25.115.0/24
ipset -A myBlackhole-4 185.61.127.0/24
iptables -A INPUT -m set --match-set myBlackhole-4 src -j DROP
ip6tables -A INPUT -m set --match-set myBlackhole-6 src -j DROP