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Free IPv6 Lookup Tool

Modern users increasingly appear through IPv6 networks. Crafzo lets you validate and inspect IPv6 addresses alongside location, ISP, ASN, and risk context.

Enter an IPv4 or IPv6 address and press Enter, or leave the field blank to use your current public IP.

Try an example

Enter an IPv4 or IPv6 address, or use your current public IP.

What this tool checks

Signals in the report

  • Accepts full and compressed IPv6 address formats
  • Returns available geolocation and network owner context
  • Useful for dual-stack debugging and modern carrier traffic

Best for

Practical uses

  • Debug IPv6-only or dual-stack traffic
  • Check mobile carrier IPv6 addresses
  • Validate firewall, WAF, or access-log entries
  • Compare IPv4 and IPv6 location behavior

How it works

Three steps

  1. Paste a public IPv6 address into the lookup box.

  2. Review the returned country, city, ISP, organization, and ASN where available.

  3. Check whether IPv4 and IPv6 results differ when troubleshooting a connection.

FAQ

Frequently asked questions

Yes. Standard compressed IPv6 notation such as 2001:4860:4860::8888 is accepted by the lookup.

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