Thought the underlying API may mean something else more generic, but no - just running an outdated version https://dev.maxmind.com/release-note/united-kingdom-w

Thought the underlying API may mean something else more generic, but no - just running an outdated version https://dev.maxmind.com/release-note/united-kingdom-will-no-longer-be-flagged-is_in_european_union/ https://dev.maxmind.com/release-note/united-kingdom-will-no-... The free DB has to be re-downloaded monthly IIRC.