Registered as BRVREAD with no public documentation; the registry entry is the whole story.
IANA lists 1054 as brvread, "BRVREAD", an early vendor registration for which no protocol specification, product page, or implementation is publicly available. Nmap carries the name in its service table with no description attached. This is a case where the honest answer is short: the port is registered, the registrant's product left no public trace, and anything you find listening on 1054 today should be identified on its own merits rather than by the registry name.
Expose with care
Unidentified listener on an unprivileged port. Fingerprint it before making an exposure call — the registry name tells you nothing useful here.
$ nmap -Pn -sV -p 1054 TARGETSeen this on your network? Beige Box scans your Wi-Fi and shows every open port on every device — and its Ports tool links straight back here.
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Corrections or a missing port? Reply @rimrocksystems.