You do that, but you do know who used that, because you have the IP address. You know the person related to the IP address, although you'd have to prove that the person who keyed in the information is the same one who is registered on the IP, but still there is no computer contacting any site. Someone does, and therefore you have in hand the missing link of personal information with any third party interest.
On May 10th, 2018. See this statement in context.