How to use: Port Number Lookup
Port Number Lookup is a free online Network Tools tool that find the service behind a port number, or the port behind a service name, with the IANA class instantly in your browser. Paste your data, adjust the options and get the result in real time — no installation, no sign-up, and nothing is ever uploaded to a server.
Description
Find the service behind a port number, or the port behind a service name, with the IANA class.
- Network Tools
- Because everything is computed client-side, Port Number Lookup is safe to use with sensitive data such as API keys, tokens or private logs.
How to use
Using Port Number Lookup takes three steps:
- Paste your data into the input box (or load the example).
- Configure the options to match your target format or scenario.
- Copy, download or inspect the output — it updates live as you type.
Run
Examples
Enter a port number or a service name fragment such as redis or postgres.
Input
3306
Output
Port 3306 Common service: MySQL / MariaDB Class: Registered port Range: 1024–49151 IANA reference: https://www.iana.org/assignments/service-names-port-numbers/
This output was produced by actually running the tool, not written by hand.
Use cases
Common situations where Port Number Lookup helps:
- Find the service behind a port number, or the port behind a service name, with the IANA class.
Parameters
This tool has no options — it works on the input alone.
FAQ
What is Port Number Lookup?
Port Number Lookup find the service behind a port number, or the port behind a service name, with the IANA class. It runs entirely in your browser, so your data stays private.
Is Port Number Lookup free to use?
Yes. Port Number Lookup is free, unlimited and works without registration or installation.
Does my data get uploaded?
No. All processing happens locally in your browser; nothing is sent to any server.
Good to know
- Everything runs client-side, so extremely large inputs are limited by your browser tab’s memory rather than by a server upload limit.