ipset -N myBlackhole-4 hash:net family inet
ipset -N myBlackhole-6 hash:net family inet6
ipset -A myBlackhole-4 157.7.35.0/24
ipset -A myBlackhole-4 157.7.32.0/24
ipset -A myBlackhole-4 157.7.34.0/24
ipset -A myBlackhole-6 2400:8500:3300::/48
ipset -A myBlackhole-6 2400:8500:3000::/48
ipset -A myBlackhole-4 157.7.33.0/24
ipset -A myBlackhole-6 2400:8500:3fff::/48
iptables -A INPUT -m set --match-set myBlackhole-4 src -j DROP
ip6tables -A INPUT -m set --match-set myBlackhole-6 src -j DROP