ipset -N myBlackhole-4 hash:net family inet
ipset -N myBlackhole-6 hash:net family inet6
ipset -A myBlackhole-4 193.254.176.0/21
ipset -A myBlackhole-4 149.221.0.0/16
ipset -A myBlackhole-4 193.194.144.0/23
ipset -A myBlackhole-4 91.199.169.0/24
ipset -A myBlackhole-4 195.216.220.0/23
iptables -A INPUT -m set --match-set myBlackhole-4 src -j DROP
ip6tables -A INPUT -m set --match-set myBlackhole-6 src -j DROP