Unassigned by IANA — 6150-6158 is an empty block with no known occupant.
IANA's registry marks the range 6150-6158 unassigned, so 6156 has no service name, no assignee, and no reference. There is no documented product, malware family, or convention that uses it. Anything listening here was chosen arbitrarily by whatever software opened it, which makes host-side process identification the only reliable way to name it.
Expose with care
No registration means no expectations — find the owning process before deciding whether it belongs on the network at all.
$ sudo lsof -nP -iTCP:6156 -sTCP:LISTENSeen 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.