Point of this article is not the point of this article. The clever bit was: > ...the IPv4 address will convert into a number... Many fancy, post-modern app de

Point of this article is not the point of this article. The clever bit was: > ...the IPv4 address will convert into a number... Many fancy, post-modern app developers might insist, "You won't do math with an address; it's not a number." But some things are numbers, with a scheme and pattern you can exploit.