A packet sniffer (also known as an IP grabber/puller/sniffer) specifically designed for Peer-To-Peer (P2P) video games on PC and consoles (PlayStation and Xbox).

"Apollo" random IP, website, and Port tools (multiple bugs) (open source)

A simple tool which fetches the website user’s location in several ways. This is in plain HTML, css, and js, and can be used easily. I recommend adding something which sends the data to a different page to store it.