2 entries are registered on port 28001. It is a registered port (1024–49151) — IANA records an assignee, but nothing stops other software from listening here, which is why the number carries more than one entry.
services registered on this number
1 transport in use
entries encrypted on the wire
1 of 2 iana-registered
| port | service | proto | category | risk | views |
|---|---|---|---|---|---|
| :28001 | Starsiege: Tribes Server | Gaming | caution | 5.9k | |
| :28001 | PQ Service | TCP | — | safe | 0 |
Port 28001 is commonly used for hosting Starsiege: Tribes version 1 game servers, allowing players to connect, communicate, and participate in online matches. It facilitates the primary server communication needed during gameplay sessions.
port 28001 as Starsiege: Tribes Server →TCP port 28001 is assigned to the PQ Service; no established public use is known.
port 28001 as PQ Service →The registry says what 28001 is registered to. What is listening on it right now is decided by the host, and only the host can be asked. Each of these prints the process behind the socket.
ss -ltnp | grep ':28001\b'lsof -nP -iTCP:28001 -sTCP:LISTENnetstat -ano | findstr :28001On Linux and Windows the process name comes back with the socket; on macOS lsof needs sudo to name a process that isn't yours. Match what it prints against the 2 entries above.
A port number is not a service. Anything may listen on 28001 — what you actually met is decided by the host, not the registry. If a service is missing here, it belongs in the registry.
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