This talk will take you along with a deep dive on how the internet works at its core and how you can participate yourself. You'll learn all about BGP, AS- numbers, IP-prefixes and more. Ever wanted to become sovereign on the internet? Want to know what its like to run an ISP? Are you a sysadmin that wants to learn more about networking? Then you're at the right place. This talk will take you along with a deep dive on how the internet works at its core and how you can participate yourself. You'll learn all about BGP, AS- numbers, IP-prefixes and what you need to do if you want to participate. You will walk away with practical knowledge on how you can get started. We'll also take a short tour of my own network, how I set it up and what I use it for. Licensed to the public under http://creativecommons.org/licenses/by/4.0 about this event: https://pretalx.hackerhotel.nl/2025/talk/V7QUX3/