Besides Quantum, CenturyLink fiber was the other part of Lumen's fiber offering bought by ATT.

Appreciating this bit of slimy manipulation.

  Unless you have questions or concerns
  about the information above, there’s
  nothing you need to do today.
  
  […]
  
  Also effective in 30 days, your Quantum
  Fiber marketing and privacy preferences
  will be reset to AT&T’s default
  settings. This means you’ll receive
  email marketing messages, and we may
  share limited personal information to
  create, deliver, and measure targeted
  advertising