An IP address is your “electronic passport” on the internet. If it is real, not hidden by any means of anonymization, then all the websites and owners of these websites see it.
In the logs of your internet provider remains the information on when, to whom and what IP address was provided for use. The provider also has a service agreement with you, the personal details are indicated in the agreement, and the internet cable is routed to a specific apartment.
Use a VPN to hide your real IP address from websites and all your internet activity from your internet provider thanks to strong encryption of the connection.