IPv4 Validator
Check an IPv4 address and classify private, public, loopback, link-local and reserved ranges.
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What is IPv4 Validator?
IPv4 Validator checks dotted-decimal syntax and identifies common private, loopback, link-local, multicast and reserved scopes.
How to use IPv4 Validator
- 01
Enter the IPv4 address you want to inspect.
- 02
Correct any octet that falls outside 0 through 255.
- 03
Read the validity and scope report.
IPv4 Validator FAQ
Does validation check whether the address is online?
No. It validates text and known ranges locally without sending traffic to the address.
Is IPv4 Validator private to use?
Yes. Address and network calculations use only the values entered in your browser and do not probe external systems.