ipset -N myBlackhole-4 hash:net family inet
ipset -N myBlackhole-6 hash:net family inet6
ipset -A myBlackhole-6 2402:e740::/32
ipset -A myBlackhole-4 101.7.7.0/24
ipset -A myBlackhole-4 103.115.120.0/22
ipset -A myBlackhole-4 103.115.120.0/24
iptables -A INPUT -m set --match-set myBlackhole-4 src -j DROP
ip6tables -A INPUT -m set --match-set myBlackhole-6 src -j DROP