ipset -N myBlackhole-4 hash:net family inet
ipset -N myBlackhole-6 hash:net family inet6
ipset -A myBlackhole-4 163.249.100.0/22
ipset -A myBlackhole-4 163.249.160.0/21
ipset -A myBlackhole-4 163.249.128.0/19
ipset -A myBlackhole-4 163.249.168.0/22
ipset -A myBlackhole-4 163.249.104.0/21
ipset -A myBlackhole-4 163.249.112.0/20
ipset -A myBlackhole-4 163.249.8.0/23
iptables -A INPUT -m set --match-set myBlackhole-4 src -j DROP
ip6tables -A INPUT -m set --match-set myBlackhole-6 src -j DROP