What is my IP address?Looking it up…

Questions about IP addresses

What is my IP address?

It's the public address your internet provider gives your connection, shown at the top of this page. Every website you visit sees it. Devices on the same Wi-Fi or office network usually share one public address.

What's the difference between IPv4 and IPv6?

IPv4 addresses look like 203.0.113.7 and are running out, so many providers now also give you an IPv6 address, like 2001:db8::7. This page checks both. If IPv6 says not detected, your provider or network only uses IPv4, which still works everywhere.

How accurate is the location?

It's approximate. Location comes from IP address databases and usually points to the city or region of your provider's equipment, not your home. Mobile networks and VPNs can place you in another city or country entirely.

Can a website tell if I'm using a VPN?

Often, yes. VPN and proxy addresses usually belong to data centres rather than home or mobile providers, your device's time zone may not match the address's, and WebRTC can reveal your real address if the VPN doesn't cover it. The VPN or proxy section shows each of these checks.

What is reverse DNS, ASN and network owner?

Reverse DNS is the hostname your provider set for the address, which often names the provider and area. The ASN (autonomous system number) identifies the network your address belongs to, and the network owner is who holds that block of addresses at the regional internet registry.

Do you save my IP address?

No. Nothing on this page is saved or logged: not your address, location or browser details. To stop abuse, lookups are counted for 10 minutes under a one-way code made from the address, which can't be turned back into it. The second address family and the WebRTC check come from public echo and STUN servers your browser contacts directly.

How do I find my IP address from the command line?

Run curl https://lemon.domains/tools/what-is-my-ip.txt for just the address, or swap .txt for .md or .json to get the network and location too. No account is needed, for up to 60 lookups every 10 minutes.

How do I change my IP address?

Restarting your router often gets a new address from your provider, unless you have a static one. Switching between Wi-Fi and mobile data changes it too. A VPN replaces the address websites see with one of its own.

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