Port Number Lookup

Look up port numbers to discover their associated services, protocols, and common uses.

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Port Number Lookup

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Look up common port numbers and their associated services

How It Works

  1. Enter a port number (1-65535)
  2. Click Lookup to find service information
  3. View service name, protocol, and description

Use Cases

  • Network troubleshooting and diagnostics
  • Firewall configuration
  • Security auditing
  • Learning network protocols

Frequently Asked Questions

Is this tool free to use?

Yes, completely free with no registration required. Use it as many times as you need without any limitations.

Is my data secure?

Absolutely. All processing happens in your browser. We do not store, transmit, or have access to your data.

Can I use this for commercial purposes?

Yes, you can use this tool for both personal and commercial projects without any restrictions.