ipset -N myBlackhole-4 hash:net family inet
ipset -N myBlackhole-6 hash:net family inet6
ipset -A myBlackhole-4 207.254.32.0/21
ipset -A myBlackhole-4 207.254.40.0/21
ipset -A myBlackhole-6 2607:6480:4000::/35
ipset -A myBlackhole-4 207.254.56.0/21
ipset -A myBlackhole-4 207.254.48.0/21
ipset -A myBlackhole-4 207.254.64.0/22
ipset -A myBlackhole-4 207.254.118.0/23
ipset -A myBlackhole-4 207.254.72.0/22
ipset -A myBlackhole-4 207.254.20.0/23
iptables -A INPUT -m set --match-set myBlackhole-4 src -j DROP
ip6tables -A INPUT -m set --match-set myBlackhole-6 src -j DROP