All eight datasets were queried and none matched. Every detail object came back empty, which is a checked answer rather than a gap — we looked, and there is nothing on this address.
All eight datasets are queried on every lookup. A dataset that did not match is shown as not seen, never as a missing field.
Paste it into a terminal — no account needed. 1k daily allowance per user, answering ip and is_vpn.
{"ip": "45.83.91.1","is_vpn": true}