IPv4 Address Validator

Check IPv4 syntax, numeric range, class, public/private/special classification, binary form, and decimal value.

IPv4 address

—Syntax

—Type

—Class

—Decimal

Ready—

How to use this IPv4 Address Validator

Validate IPv4 dotted-decimal addresses and inspect their address type. Enter your values above and the result is calculated directly in your browser. No account is required.

Fast answer, clear inputs

This tool is built around one job: give the answer quickly without forcing a signup or hiding the result. Related tools are linked nearby when the next calculation or conversion is useful.