And once IPV6 gets up to steam, welcome to a world of people with millions of &quot;addresses&quot; to attack from. One advantage of IPV4 is that it was accidentally pretty granular.<p>That&#x27;ll be a while, of course, but already we see attackers with access to a tremendous number of unique IP addresses in the IPV4 space.. they&#x27;ll have many orders of magnitude more soon.