I'm able to use a VPN to get a different route from a nearby city that works fine. So, this isn't really a major issue... however, this issue has been ongoing for nearly a week now and I'm finally annoyed enough to figure out that I should probably tell someone because they are clearly unaware.
Unfortunately, getting past tier 1 support at my ISP (yes, my wifi router is plugged in, yes I have a wifi signal, yes I rebooted my computer, yes I rebooted my router, yes I rebooted my modem) is basically impossible.
Anyone know how to properly report this?
You are a home-based consumer, with consumer-grade service? Then your ISP does not care, and none of their engineers are paid to heed consumer reports about any connectivity issue, much less third-party ASNs.
Your ISP only cares about your wiring and signal from demarc to head end.
If there's truly a chronic issue between your ISP's backbone and Akamai, then I'd lay odds that you don't possess the tools or resources to troubleshoot that enough to be of help.