Network Port Range Expander

expand port ranges online online

Use network port range expander online to work with your own network values. Parses local text only; does not scan ports or identify services.

How to use it

Select Try example, replace the JSON values using the same keys, and select Run tool. Review the output and scope notes before copying or downloading the result.

Options and example settings

Calculation method

Expand inclusive port intervals and deduplicate numerically

Worked examples

Worked case for network port range expander. Parses local text only; does not scan ports or identify services.

Network Port Range Expander — example with explicit inputs

Settings: No extra options

Input:

{
  "ports": "22,80,443,8000-8003"
}

Expected result for the example input and options:

Output:

{
  "ports": [
    22,
    80,
    443,
    8000,
    8001,
    8002,
    8003
  ],
  "count": 7
}

Limitations and common mistakes

• Parses local text only; does not scan ports or identify services.
• Keep JSON property names and value types consistent with the example. Network tools do not perform live scans or remote lookups.

Frequently asked questions

How can I use expand port ranges online online?

Select Try example, replace the JSON values using the same keys, and select Run tool. Review the output and scope notes before copying or downloading the result.

Which model does Network Port Range Expander use?

Expand inclusive port intervals and deduplicate numerically. Parses local text only; does not scan ports or identify services.

Technical references

• IETF: Transport ports (RFC 6335)

Where is my input processed?

The bundled tool processes input in your browser. It does not upload tool input to a conversion service. Other site plugins, analytics, advertising and browser extensions may have separate behavior.

Useful next tools

• Network Port List Range Compressor
• IPv4 Address and Wildcard Match Checker
• IPv4 Longest Prefix Route Matcher