ip address tracking GDPR & HIPAA legal issues

ip addresses are a nuanced issue when it comes to tracking. it is lawful in many situations for an online entity to track the ip address of visitors to their website. there are issues though when it comes to GDPR & HIPPA with respect to whether the entity type is a type that has the legal and technical capacity to ascertain more information from the ip address than the normal legal limit of just the city and state of the origin of the ip address.