IP Address Lookup
Look up any IPv4 or IPv6 address to see its country, city, ISP, ASN, timezone and approximate coordinates.
Data handling: ipapi.co receives the IP address you enter, or your public IP address when the field is blank.
About IP Address Lookup
IP Address Lookup is engineered to solve a specific workflow challenge: Look up any IPv4 or IPv6 address to see its country, city, ISP, ASN, timezone and approximate coordinates. Using it is a three-step job: 1) Open IP Address Lookup and review the inputs, units, and data-handling notice shown on its page, 2) Enter the information requested by this tool and adjust only the options that apply to your task, 3) Review the result and use the available copy, download, or reset controls. Processing depends on the specific operation. Any external lookup or service should be identified near the tool controls.
IP Address Lookup is a free, browser-based ip lookup from ProfitTool. Look up any IPv4 or IPv6 address to see its country, city, ISP, ASN, timezone and approximate coordinates. Review any usage notes shown on this page before relying on its availability. Review the tool's data-handling notice before entering sensitive information; some features store settings locally or contact external services.
Working alongside the User Agent Parser? keep What Is My IP open in a second tab.
How to use IP Address Lookup
- 1Open IP Address Lookup and review the inputs, units, and data-handling notice shown on its page.
- 2Enter the information requested by this tool and adjust only the options that apply to your task.
- 3Review the result and use the available copy, download, or reset controls. Processing and storage behavior vary by tool.
Already used our Fraction Simplifier? try User Agent Parser to finish the job.
Common Mistakes to Avoid
Testing once and drawing conclusions
Run three tests at different times. A single sample tells you about that moment, not your connection.
Blaming the ISP for Wi-Fi problems
Test over Ethernet before you call support — most 'slow internet' is actually poor wireless coverage.
Ignoring upload speed
Video calls and backups fail on upload far more often than download.
People who use What Is My IP usually reach for this next: Fraction Simplifier handles the follow-up case.
Technical Limitations & Boundary Conditions
- Results reflect the inputs and assumptions shown. Fees, taxes, rates, and personal circumstances can change the real-world outcome; verify important figures with the relevant provider or authority.
- Extreme values outside standard ranges may be constrained by device memory or numerical precision boundaries.
Pro Tips & Best Practices
- Run the test twice — once on Wi-Fi and once on Ethernet — for a fair comparison.
- Download the result as JSON to attach to your ISP or IT support ticket.
- Combine with ProfitTool's HTTP Header Checker to isolate CDN vs. origin issues.
Popular Use Cases
- Case 1Diagnose slow connections with an at-a-glance speed and latency report.
- Case 2Look up an IP for geolocation, ASN and abuse info.
- Case 3Debug DNS records, headers and user-agent strings for a support ticket.
- Case 4Confirm the browser, screen and viewport a customer is running on.
Frequently Asked Questions
How accurate is IP Address Lookup?›
It measures what your browser can see from this device, so Wi-Fi interference, VPNs and background downloads all affect the reading. Run it twice for a fair average.
Can I use IP Address Lookup for commercial or client work?›
Yes. Output from this network & info tool is yours to use commercially, with no attribution requirement and no licence to buy.
Does IP Address Lookup collect my IP or location?›
The lookup provider receives the query needed for the check. Review the tool notice for the provider and input sent.
What should I do if IP Address Lookup gives an unexpected result?›
Re-check your input formatting first, then reload the page to clear any stale state. If it persists, send us the input through the suggestion form and we'll fix it.
Why does my result differ from my ISP's advertised speed?›
Advertised speeds are line maximums measured over Ethernet. Wi-Fi, older routers and peak-time congestion typically account for the gap.
Are there related network & info tools I should use alongside it?›
Yes — the related-tools panel on this page links the utilities most people open right before or after IP Address Lookup, so you can chain them into one workflow.
Can I share this ip lookup result with support?›
Yes — export the reading as JSON or take a screenshot to attach to an ISP or IT ticket; the timestamp and server used are included.
Is IP Address Lookup free to use?›
Yes — IP Address Lookup is completely free with no signup, watermark, trial or hidden paywall, however often you use it.
Does IP Address Lookup work on mobile phones and tablets?›
Yes. The layout is mobile-first and tested on iOS Safari, Android Chrome and every current desktop browser, with tap targets sized for thumbs.
Guides that explain IP Address Lookup
Background reading from the ProfitTool Knowledge Hub.
What Is a Reverse DNS Lookup (PTR Record)?
A reverse DNS lookup maps an IP address back to a hostname through a PTR record. How PTR records work, and why mail servers check them before accepting.
Developer ToolsWhat Is a CNAME Record in DNS? Rules, Limits & Examples
A CNAME record creates a DNS alias from one hostname to another. Learn how CNAMEs work, why they cannot sit at the apex, and how to verify one with dig.