A site containing a database of numbers and addresses of subscribers appeared

A site has appeared on the network containing a database with phone numbers and their owners. Some numbers even have the address of registration.

On the site, absolutely free, you can see the full names of subscribers of mobile operators by their phone number. For some numbers even shows the address of registration.
You can judge that the base is fresh, because checked one number, relatively recently reissued from me to another person. The number is listed for the new owner.

The site owner writes that he is going to base from various sources. They use various software technologies to collect as much information about the subscriber as possible, process it and issue the most relevant and relevant data. Below are just some of the methods that are currently used:

• Publicly available data — There are a lot of publicly available data that we analyze to provide as much information as possible about the phone number associated with the subscriber.
• APIs of other sites - some sites provide software APIs for obtaining information about individuals / legal entities. This provides very valuable information that we provide.
• Data providers - there are providers that specialize in collecting personal data for resale. We further rely on this information to improve search results.
• Subscribers are added by the users themselves.

Interestingly, PPSOS in any way react to the emergence of such sites?
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UPD: I have nothing to do with this site. I saw him in the open spaces, checked myself and a few familiar numbers, and then decided to share with the community.