Common Network Port Reference
Look up common service port numbers and transport protocols.
How to use this tool
- Enter values or select a file in the labelled controls.
- Select the action button and review the result.
- Copy the result or use its download control when available.
A short reference, not a port scanner. A port number does not prove which service is running or whether it is reachable.
Processing takes place in this browser. Your entries are not sent to a conversion service.
Reference: IANA service-name and port registry