This is literally the most prominent thing on the https://ipinfo.io home page.
Wait - how does this work for cell IPs? A lot of cellphone v4 IPs are now shared between hundreds or thousands of devices, right?
It probably has something to do with important routers. What tags do we show when you visit the IP data page? The IP data page can be accessed by visiting ipinfo.io/<IP_address>.
We use the generic term "data experts," but it actually consists of about 2 dozen engineers, including data engineers, data scientists, infrastructure engineers, backend engineers, and a great technical CEO working on all that. All those folks have gone on a boating trip off the coast of Spain for a retreat.....except for me.
I will ask them and try to circle back with some answers.