IP Address Validator
Network & Ops · Free Online Tool
Validate IPv4/IPv6 format and legality.
Version
IPv4
Type
Private (RFC 1918)
Scope
Private
Detection runs entirely in your browser. IPv6 scope detection covers loopback, link-local, unique-local, and multicast prefixes.
Dual-Stack
Validates both IPv4 and IPv6 addresses with one input.
Type Detection
Identifies private, loopback, link-local, multicast, and broadcast addresses.
Live Feedback
Validation updates instantly as you type.
How to Use IP Address Validator
- 1Enter the URL, IP address, or network parameter to look up.
- 2Click the lookup or test button.
- 3Review the detailed results in the output panel.
- 4Use the information for your network operations.
Features
- ✓100% free — no signup, no subscription, no ads
- ✓Runs entirely in your browser — data never leaves your device
- ✓Fast and lightweight — instant results
- ✓Cross-platform — works on desktop, tablet, and mobile
Frequently Asked Questions
Are network lookups real-time?
Yes, IP lookups, DNS queries, and HTTP tests perform live network requests to provide current data.
Is my IP address logged?
The IP Lookup tool queries public geolocation APIs. We do not store your IP address or lookup history.
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Learn the concept
Learn the concept
Understand the programming ideas behind this tool.