Your link seems to contradict your description,

- "To protect the privacy of Sci-Hub users, we agreed that she would first aggregate users’ geographic locations to the nearest city using data from Google Maps; no identifying inter- net protocol (IP) addresses were given to me. (The data set and details on how it was analyzed are freely accessible at http://dx.doi.org/10.5061/dryad.q447c.)"

https://sci-hub.ru/10.1126/science.352.6285.508 ("Bohannon, J. (2016). Who’s downloading pirated [sic] papers? Everyone. Science, 352(6285), 508–512")