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IP & Identity Tools

ISP Checker

Identify ISP, ASN, organization and approximate network location for a public IP.

Run ISP CheckerFind ISP, ASN and location information for a public IP.
Quick Examples:
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Run ISP Checker to view detailed results

What is ISP Checker?

An ISP checker identifies the network provider, ASN and approximate public network location associated with an IP address. It can help diagnose routing and provider-related connectivity issues.

When to use this tool

  • Check public network or website information quickly.
  • Diagnose connectivity and configuration issues.
  • Verify results while troubleshooting.
  • Use a clear, browser-based diagnostic view.

ISP Checker — Frequently Asked Questions

What does the ISP Checker do?

Identify ISP, ASN, organization and approximate network location for a public IP.

How do I use the ISP Checker?

Enter the requested public ip in the form above, then select “Check ISP”. Review the returned information in the results panel.

Is the ISP Checker free to use?

The public Spexo networking tools are available online without a paid subscription or account for basic use.

Why can results vary or be unavailable?

Results depend on the target host, public DNS or registration data, network path, remote service availability and current conditions. Some services limit or block automated requests.