Facts cannot be copyrighted, but a unique compilation of facts can be. This became settled law many decades ago with sports almanacs. Furthermore, Maxmind adds

Facts cannot be copyrighted, but a unique compilation of facts can be. This became settled law many decades ago with sports almanacs. Furthermore, Maxmind adds non-factual entries to the database so they can identify it uniquely as their work. Map makers do something similar: https://en.wikipedia.org/wiki/Trap_street https://en.wikipedia.org/wiki/Trap_street