I’ve been reading lately about how [Jared Mauch](https://arstechnica.com/information-technology/2021/01/jared-mauch-didnt-have-good-broadband-so-he-built-his-own-fiber-isp/) created his own ISP, but none of the articles seem to mention how that actually connects to the internet… I can’t seem to wrap my head around it. Wouldn’t he have to connect to a “backbone” or something?
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The Internet is many networks interconnected.
There are IPS that conned to the consumer. There is other companies that connect different ISPs together. A bit simplified is a IPS need to have an agreement with those networks that bind everything together
There is what is called https://en.wikipedia.org/wiki/Tier_1_network that is the major operators as internet backbone connector.
There is an Internet exchange point (IXP) that is a location where multiple networks can interconnect there is a long list that contains a lot of them [https://en.wikipedia.org/wiki/List_of_Internet_exchange_points](https://en.wikipedia.org/wiki/List_of_Internet_exchange_points)
So a bit simplified is for you to be a ISP you need to connect to a IXP where you can change traffic with others. So you need to dig down fiber to a location like that or rent a fiber that someone else has already fiber in the ground.
The company Jared set up is called Washtenaw Fiber Properties and if you search for it and IXP you get the following hit [https://www.detroitix.com/](https://www.detroitix.com/) They have a 10Gbit connection to the IXP as stated in the article.
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