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IP Address Lookup

Find geolocation, ISP, ASN, timezone, and reverse DNS for any IP address or domain. Enter an IP or click "My IP" to look up your own address.

🔍 Enter IP or Domain

What is an IP Lookup Tool?

An IP lookup tool queries public databases to find geolocation, ISP, ASN, timezone, and reverse DNS information for any IP address or domain. This runs server-side — enter any IP and get real-time results.

Frequently Asked Questions

IP geolocation is accurate to city level in most cases (85–95% for country, 55–80% for city). The data comes from public WHOIS records and regional internet registries (RIRs). VPN or proxy users will see the VPN server location instead of their real location.
An Autonomous System Number (ASN) is a unique identifier for a network operated by an ISP, university, or company. It groups IP addresses under one routing policy. For example, Google has ASN 15169 and Amazon has ASN 14618.
Yes — click "My IP" and the tool will automatically detect and look up your current public IP address. This is the IP your ISP assigned to your router.
IP geolocation maps your IP to the nearest major city where your ISP has a data center, not your exact physical location. This is a limitation of IP-based geolocation — for privacy reasons, exact address mapping is not possible.

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About This IP Lookup

This free online IP Lookup is part of a growing suite of browser-based developer utilities built to save time and eliminate unnecessary tooling overhead. Run it directly in your browser with no installation, no account, and no usage limits.

How to use

  1. Enter or paste your input into the tool.
  2. Configure any available options to suit your needs.
  3. Copy or download the result.

Key features

Bookmark this tool for quick access during your development workflow. If you need a customised version with additional features, API access, or private hosting, use the custom build option below.

Frequently Asked Questions

Is this IP Lookup free to use? +
Yes, completely free. No signup, no account, no payment required. Just paste your input and use it directly in your browser.
Does this tool store or send my data anywhere? +
No. Everything runs entirely in your browser using JavaScript. Your data never leaves your device or gets sent to any server.
What browsers does this tool support? +
It works in all modern browsers — Chrome, Firefox, Safari, Edge, and Opera — on both desktop and mobile.
Can I use this tool offline? +
Once the page is loaded, the tool runs locally in your browser without needing an active internet connection for most operations.
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Custom Development

Need a Custom Version of This Tool?

This IP Lookup works for most use cases — but if you need batch processing, API access, private hosting on your own domain, or a completely bespoke tool built around your workflow, I can build it.

Request Custom Build → Typical turnaround: 3–7 days