ipset -N myBlackhole-4 hash:net family inet
ipset -N myBlackhole-6 hash:net family inet6
ipset -A myBlackhole-4 81.19.176.0/20
ipset -A myBlackhole-4 5.134.8.0/21
ipset -A myBlackhole-6 2a00:b0e0::/32
ipset -A myBlackhole-4 85.92.64.0/19
ipset -A myBlackhole-4 193.117.57.0/24
iptables -A INPUT -m set --match-set myBlackhole-4 src -j DROP
ip6tables -A INPUT -m set --match-set myBlackhole-6 src -j DROP