Port 52381
In live entertainment systems, port 52381 is used by VISCA over IP.
udp/52381
VISCA over IP — Sony VISCA over IP commands, inquiries and replies
Sony's VISCA camera control commands wrapped in an eight byte header and sent over UDP. It is the usual way to drive PTZ cameras (pan, tilt, zoom, focus, iris, presets) from a controller, a switcher or a show control system.
Check it from the command line
npx showstack port 52381
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