ipset -N myBlackhole-4 hash:net family inet
ipset -N myBlackhole-6 hash:net family inet6
ipset -A myBlackhole-4 193.0.22.0/23
ipset -A myBlackhole-4 193.0.0.0/21
ipset -A myBlackhole-6 2001:67c:2e8::/48
ipset -A myBlackhole-4 193.0.18.0/23
ipset -A myBlackhole-4 193.0.10.0/23
ipset -A myBlackhole-4 193.0.12.0/23
ipset -A myBlackhole-4 193.0.20.0/23
iptables -A INPUT -m set --match-set myBlackhole-4 src -j DROP
ip6tables -A INPUT -m set --match-set myBlackhole-6 src -j DROP