I found this comment deep in an unrelated thread [0] a couple months ago. It describes someone who created his own ISP for his neighborhood using fiber and links to a good video [1] about it. It's worth using youtube-dl to archive it.

[0] https://news.ycombinator.com/item?id=24410506

[1] https://www.youtube.com/watch?v=ASXJgvy3mEg