Port 120122 services

2 entries are registered on port 12012. 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.

entries
2

services registered on this number

transport
tcp · udp

2 transports in use

in transit
0/2

entries encrypted on the wire

worst risk
4/10

0 of 2 iana-registered

Services on this port

ranked by lookups
portservicerisk
:12012Audition Online Korea Status Checkcaution
:12012Axence nVisioncaution

01Audition Online Korea Status Checktcp · udp · unofficial · risk 4/10

Port 12012 is primarily associated with Audition Online Dance Battle's Korean servers, where it facilitates status and version verification for client connections. This service ensures that game clients are up to date and servers are operational before gameplay can commence, providing a seamless gaming experience to users.

port 12012 as Audition Online Korea Status Check

02Axence nVisiontcp · unofficial · risk 4/10

Axence nVision is a comprehensive network monitoring and management solution used by organizations to oversee resources, track network activity, and ensure security compliance. It facilitates real-time monitoring, asset management, user activity analysis, helpdesk support, and data protection practices, typically through a centralized management console accessed over specific TCP ports.

port 12012 as Axence nVision

Which one is on your host

ask the machine, not the registry

The registry says what 12012 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.

linux
ss -ltnp | grep ':12012\b'
macos
lsof -nP -iTCP:12012 -sTCP:LISTEN
windows
netstat -ano | findstr :12012

On 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 12012 — 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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