In need of help

I was going frew some tutorial when I saw this tutorial of members ip, I reallly I need it, but when i opened the topic I found out that its just an addon the main topic is missing I really need to make this ip thing work. this is the link

https://rmb-scripting.com/tutorials.php?tutorial&tid=206

is any of you have the other part that u have mad please show me.