Port 5004
In live entertainment systems, port 5004 is used by AES67.
udp/5004
AES67 — RTP media stream (RTP/AVP default port)
An AES interoperability standard for streaming uncompressed audio over IP using RTP and IEEE 1588 PTP. It is the common ground that lets Dante, RAVENNA, Q-LAN, Livewire and Ravenna-derived broadcast gear exchange streams without a hardware bridge.
Check it from the command line
npx showstack port 5004
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