By Debmedia Technologies LLP · Kolkata, India · Updated
What Is My IP Address and Why Does It Matter?
Your IP address is the number that identifies your internet connection to the rest of the network. Every website, game server and email system you contact sees it, and replies are sent back to that address. If you have ever asked “what is my IP address?”, the answer is the public address shown above.
It is useful to know when you set up remote access, allow-list your office in a firewall, troubleshoot a connection with your provider or confirm that a VPN is working.
How to Use This Tool
- Open this page. Your address appears automatically, with no button to press.
- Read the big number at the top. It is the address that websites see.
- Check the table for the IP version and the reverse DNS name, if your provider has set one.
- Press Refresh after switching a VPN, Wi-Fi network or mobile data to see the new address.
Public and Private IP Addresses
Your devices usually hold a private address from a reserved range, while the router holds the public address that the internet sees. The two are different on purpose.
| Type | Example | Where it is used |
|---|---|---|
| Public IPv4 | 203.0.113.45 | Your router or mobile connection, visible on the internet |
| Private IPv4 | 192.168.1.20 | Your phone, laptop and printer inside your home or office |
| Public IPv6 | 2001:db8:85a3::1 | Devices on networks that support IPv6, often each device has its own |
| Loopback | 127.0.0.1 | Your own computer talking to itself |
The private ranges are listed in RFC 1918, which defines private address ranges. This tool always shows the public address, never the private one.
Why Your Address May Look Different Each Time
- Dynamic assignment. Most home providers change your address now and then, especially after a router restart.
- VPN or proxy. The address belongs to the VPN server, not to you.
- Mobile data. Many phones share an address with thousands of other customers through carrier-grade NAT.
- IPv4 versus IPv6. A dual-stack network may use either, depending on the site.
What to Do With Your IP Address
Once you know your address, look up who owns it with the registry owner lookup or find its hostname with the reverse DNS tool. If you plan to host something at home, test that your connection can be reached with the online ping test.
Privacy note
An IP address shows your approximate region and provider, but not your name or street address. We do not store the result. It is read from your connection, shown on this page and discarded.
Frequently Asked Questions
Disclaimer: results come from live requests and can change as records and servers change. We cannot guarantee that every answer matches what every visitor sees.