Yes, BiN4RY got it right, although the proxies and vpns that are blacklisted are the ones that have been abused and talked about. Smaller providers may still pass
They can totally do that to any range they want without batting an eye. BiN4RY & vany are right, you really have to abuse the system to have that happen. If you're planning on doing something crazy though you might be put on the list, never really know...