IP Address Validator
Validate and classify IPv4 and IPv6 addresses.
Input
This tool runs entirely in your browser. The data you paste or load is never uploaded.
Result
Enter your input, then run the tool.
About this tool
Checks whether a string is a valid IPv4 or IPv6 address and classifies it: public, private, loopback, link-local, multicast, documentation or reserved. It normalises IPv6 notation and expands compressed groups.
How to use it
- Paste one address per line.
- Press Validate.
- Read the type, scope and normalised form.
Frequently asked questions
Is 192.168.1.1 public?
No, it is in a private range reserved for local networks. It is not routable on the public internet.
Why are documentation ranges flagged?
Addresses such as 192.0.2.0/24 are reserved for examples and should never appear in real configuration.
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