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Autonomous System/ASN

What is a ASN/Autonomous System?

The internet, being the thing you are using to read this page right now is made up of several smaller networks, that work together under one globally agreed upon routing policy, hence the the name InterNet (interconnected networks) These networks that make up the internet managed by a single organization are called Autonomous systems.

A way to think of an Autonomous system is similar to that of a country or mail, mail traverses the postal network until it reaches the local branch for your town, which would be the AS in this context, similarly you travel through other countries until you reach your own, being your AS