I've gotten the redirect from Century Link twice over the course of the past year.
Prior to this, I've received two separate disconnects with no warning. Century Link, which bought out Qwest, did not notify me until something like 10 DMCA take down notices had piled up on their doorstep.
I responded the first two times, by angry letter, asking them to identify a specific machine or MAC ID or some other evidence that would allow me to manage the situation in a reasonable & legal manner by identifying a person.
They never responded, except in the first instance of the disconnect, they printed out all the info some random company who claimed IP rights (not the actual owners, 3rd party like rights corps) had submitted to them.
I forwarded the information and letter I sent to them to EFF, and informed them that they would be a party to any lawsuit due to their negligence in timely notification to me of these 'violations'.
Now century link has the redirect setup, and it's still a joke, as anyone with access to my network can go through it and claim to be me. It's no more protection than 'I agree I'm 18 and willing to see adult content'.
When I first investigated this stuff, I found that CenturyLink/Qwest had setup an automated form that allowed these 3rd party IP litigators to mass report all these details; in my first letter, I requested any information from Qwest as to their due diligence in verifying any of this information. Again, as I said above, they did not reply.
Either way, if anyone decides that my wallet is their property because someone on my network accessed their IP, I'm bring the ISP into it as the faulty link in their argument.
The main point I have, is that ISP's received "Safe Harbor" but they're not regulated under common carrier status, and these two things appear to be virtually the same. Either the ISP is responsible for the content of it's users, or it's a neutral communication infrastructure.