This is a simple mod used to record and store the IP address for each order placed on your site. I know there are a few mods out there that do exactly what this does, but after coming across a few non-working and/or sloppy mods for this, I gave up and decided to write my own from scratch.
Quick rundown of how it works:
(1) The customer's IP is grabbed during the checkout process
This module allow you to integrade the advanced e-commerce (beta) Analysis provided by the Google service named Analytics ( more info about the Google service on the official page: http://www.google.com/analytics/ ).