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IP Address Validator

Validate IPv4 and IPv6 addresses. Check if an IP is public or private, classify its range. Free.

The IP Validator is a free online tool that helps you validate ipv4 and ipv6 addresses. check if an ip is public or private, classify its range. free It runs in your browser with no sign-up, downloads, or installation needed. All processing happens locally — your data stays on your device.
IP Validator
Common IP ranges

How to use the IP Validator

1

IPv4 vs IPv6

IPv4 addresses use 4 octets (0–255) separated by dots: 192.168.1.1. IPv6 uses 8 groups of 4 hex digits separated by colons: 2001:0db8:85a3:0000:0000:8a2e:0370:7334. IPv6 can be abbreviated by removing leading zeros and using :: for consecutive zero groups.

2

Private vs public IP ranges

Private ranges (not routed on internet): 10.0.0.0/8, 172.16.0.0/12, 192.168.0.0/16. Loopback: 127.0.0.0/8. Link-local: 169.254.0.0/16. Everything else is public. Your router uses NAT to translate between your private home network and the public internet.

Frequently asked questions

Is the IP Validator free to use?

Yes, the IP Validator is completely free. There is no sign-up, no account required, and no limit on how often you can use it.

Is my text private when using the IP Validator?

Yes, all text processing happens in your browser. Your text is not sent to any server and is not stored anywhere outside your device.

What devices does the IP Validator work on?

The IP Validator works on any device with a modern web browser — desktop, laptop, tablet, or phone. It is mobile-friendly and works offline once the page has loaded.