ipset -N myBlackhole-4 hash:net family inet
ipset -N myBlackhole-6 hash:net family inet6
ipset -A myBlackhole-4 142.51.116.0/22
ipset -A myBlackhole-4 192.26.235.0/24
ipset -A myBlackhole-4 142.51.64.0/18
ipset -A myBlackhole-4 142.51.120.0/22
ipset -A myBlackhole-4 142.51.127.0/24
ipset -A myBlackhole-4 142.51.128.0/18
ipset -A myBlackhole-4 142.51.0.0/18
iptables -A INPUT -m set --match-set myBlackhole-4 src -j DROP
ip6tables -A INPUT -m set --match-set myBlackhole-6 src -j DROP