I've long dreamed about having "anonymous" internet through coaxial/DOCSIS because the modems should work anywhere on the same node (or maybe even beyond) as long as your connection point is physically connected.
I could put down any name and nearby(ish) address I want...
Upstream is shared by less subscribers than downstream. Usually in the same neighborhood. So, it is easy to spot a wider place and then put boots on the ground to do the rest.
Any of widely used VPNs is much more generalized. Chain two or more in case of real concern.
As long as you never connect a phone to that modem (which will leak its GPS location to Google), or order anything from Amazon for delivery to the physical address.
I could put down any name and nearby(ish) address I want...