ISP Routing Hell

Weird Routes? History: So I wasn't really sure how to start this post, but I guess some back story. Many in the IT world know consumer ISPs (internet service providers) like ATT, Comcast, Charter (now spectrum), all have a weird history of "you can't prove there's a problem because we don't escalate it properly, now you're stuck with this while we replace your router 200 times because it can't be on us" sort of problems. I switched to spectrum because in my area its the only non-att fiber lines, and ATT couldn't tell me why my router had an ssh server listening on it. They couldn't think it was compromised or could be compromised, they couldn't tell me anything they just replaced it. Then replaced it again. Then again. After 2 years of doing that, I just had enough. Later that year after leaving ATT, https://en.wikipedia.org/wiki/Salt_Typhoon . But sadly, despite my contempt for ATT by this point, this post isn't about them. More ...