Got my new router today. As I already knew, it did nothing to solve the problem. In fact it added others. It killed my DLNA streaming from wired to wireless. But through Google, I got that sorted out.
The second person I talked to, about 10 minutes ago, says it is now a known issue. It started in Pomona, and is affecting the whole state of California. They have been advised that the problem will be fixed tomorrow. Let's hope so.