ISP Checker

Check the Internet Service Provider (ISP) for any IP address instantly

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Total Calculations Run

< 15ms

Browser Execution Speed

100%

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4.9 / 5.0

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About This Tool

The ISP Checker is a powerful online tool that allows you to find detailed information about the Internet Service Provider associated with any IP address. Simply enter an IP address (IPv4 or IPv6) and get comprehensive details including ISP name, organization, ASN (Autonomous System Number), country, region, and city. This tool uses reliable geolocation APIs to provide accurate, up-to-date information about internet providers worldwide. Perfect for network administrators, developers, or anyone curious about the origin of an IP address.

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How to Use

Enter an IP address (like
8 or 2001:4860:4860::
in the input field
Click the 'Check ISP' button
View detailed ISP information including provider name, organization, ASN, and location
Use the 'Check Another' button to look up a different IP address

Frequently Asked Questions

Find Quick Answers

What information does the ISP Checker provide?

The tool provides ISP name, organization, ASN (Autonomous System Number), country, region, city, and approximate coordinates for the IP address.

Does this tool work with both IPv4 and IPv6 addresses?

Yes, the ISP Checker supports both IPv4 (like 192.168.1.1) and IPv6 (like 2001:db8::1) addresses.

How accurate is the ISP information?

The tool uses reliable geolocation APIs with regularly updated databases, providing highly accurate ISP information. However, some IP addresses (especially mobile or VPN connections) may show different provider information.

Is there a limit to how many IP addresses I can check?

The tool uses public APIs that may have rate limits. For extensive usage, consider using the development version with your own API key.

Need to run multiple calculations?

Create a free account today to unlock unlimited daily runs, access advanced parameters, save your history, and request custom features.

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