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IP & Network Tools

IPv4 / IPv6 Validator

Check whether an address has valid IPv4 or IPv6 structure.

Free foreverRuns in your browserNo sign-up

IP & Network Tools

IPv4 / IPv6 Validator

Check whether an address has valid IPv4 or IPv6 structure without making a network request.

Calculation runs locally in your browser. No address is uploaded.

About the IPv4 / IPv6 Validator

IPv4 / IPv6 Validator is a focused network utility for administrators, developers, support teams and people troubleshooting an internet connection. Check whether an address has valid IPv4 or IPv6 structure.

The calculation runs locally in your browser, so the address is not uploaded.

Results describe public network information and should not be treated as proof of a person's identity or exact physical location.

Key features

  • IPv4 octet validation
  • IPv6 structural validation
  • No network request

How to use

  1. 1Enter an IPv4 or IPv6 address.
  2. 2Select Validate.
  3. 3Review the detected version and validity result.

Examples

IPv4 / IPv6 Validator example
Input: 2001:db8::1
Output: Valid IPv6 structure

Validation checks syntax, not whether an address responds.

Frequently asked questions

Is this tool free?
Yes. It requires no account, payment or software installation.
Are IP location results exact?
No. IP geolocation is approximate and usually identifies a network region, not a home, person or precise device location.
Does this tool expose private network data?
No. This calculator operates entirely on the values in your browser.
Can I use it on mobile?
Yes. Inputs, tables and results adapt to phones, tablets and desktop browsers.

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