Last updated: March 2026
What Is an IP Address?
An IP address (Internet Protocol address) is a unique numerical identifier assigned to every device connected to the internet. Just like a physical mailing address tells the postal service where to deliver your mail, your IP address tells the internet where to send the data you request — web pages, emails, streaming video, and everything else.
Every time you visit a website, your device sends its IP address along with the request. The website's server uses that address to send the requested data back to you. Without IP addresses, the internet simply wouldn't function — there would be no way to route information to the right destination.
There are two types of IP addresses you encounter daily: your public IP (the one the internet sees, shown by this tool) and your private IP (used within your local network, like 192.168.x.x). Your router acts as a translator between the two, a process called Network Address Translation (NAT).
How to Find Your IP Address
This tool shows your public IP address instantly by making a request to a trusted API service. Your public IP is the address that websites and online services see when you connect to them.
To find your private (local) IP address, you need to check your device's network settings: on Windows, run ipconfig in Command Prompt; on macOS or Linux, run ifconfig or check System Preferences > Network.
Your public IP can change over time if your ISP uses dynamic addressing (most residential connections do). If you need a stable IP, ask your ISP about a static IP address, though this typically costs extra and is mainly used for hosting servers or remote access.
IPv4 vs IPv6 Explained
IPv4 (Internet Protocol version 4) has been the backbone of the internet since 1981. It uses 32-bit addresses written as four numbers separated by dots (like 192.168.1.1), providing roughly 4.3 billion unique addresses. That seemed like plenty in the 1980s, but with smartphones, IoT devices, and billions of internet users, every IPv4 address has now been allocated.
IPv6 was created to solve this exhaustion problem. It uses 128-bit addresses written in hexadecimal (like 2001:0db8:85a3::8a2e:0370:7334), supporting 340 undecillion unique addresses — enough for every grain of sand on Earth to have its own IP address, many times over.
As of 2026, roughly 45% of internet traffic uses IPv6, with adoption growing steadily. Most modern devices and ISPs support both protocols simultaneously (dual-stack), so the transition is happening gradually and invisibly for most users.
Does Your IP Address Reveal Your Location?
Your IP address reveals your approximate location — typically your city or metropolitan area — but not your exact street address. This geolocation data comes from databases that map IP ranges to geographic regions based on ISP infrastructure records.
The accuracy varies: in urban areas, IP geolocation is often accurate to the city level. In rural areas, it may only identify the nearest large city or the ISP's regional hub. It is not accurate enough to identify a specific household.
If you're concerned about IP-based tracking, using a VPN is the most effective solution. A VPN replaces your real IP with the VPN server's IP, making it appear as though you're browsing from a different location entirely. This tool includes a basic VPN detection check by comparing your IP's timezone against your browser's timezone.
Frequently Asked Questions
What is an IP address?
An IP (Internet Protocol) address is a unique numerical label assigned to every device connected to the internet. It serves two purposes: identifying the host or network interface, and providing the location of the device in the network. Think of it like a mailing address for your computer — it tells other devices where to send data so it reaches you.
Can someone find my exact location from my IP address?
No. An IP address reveals your approximate location — typically your city or region — based on your ISP's infrastructure. It does not pinpoint your street address or exact coordinates. Law enforcement can request precise location data from your ISP with a warrant, but the general public cannot determine your exact location from your IP alone.
What is the difference between IPv4 and IPv6?
IPv4 uses 32-bit addresses (like 192.168.1.1) and supports about 4.3 billion unique addresses — all of which have been allocated. IPv6 uses 128-bit addresses (like 2001:0db8::1) and supports 340 undecillion addresses, effectively unlimited. IPv6 was created to solve the IPv4 address exhaustion problem and includes built-in security features.
Does my IP address change?
Most residential internet connections use dynamic IP addresses that can change periodically — typically when you restart your router or when your ISP's DHCP lease expires. Business connections often use static IPs that don't change. If you use a VPN, your visible IP changes to the VPN server's address.
How can I hide my IP address?
The most common methods are: (1) Use a VPN service, which routes your traffic through a server in another location. (2) Use the Tor browser, which bounces your connection through multiple relays. (3) Use a proxy server. VPNs are the most popular option because they encrypt your traffic and are easy to use.
What can someone do with my IP address?
With just your IP address, someone can determine your approximate location and ISP, attempt to scan for open ports, or try to launch a DDoS attack. However, they cannot access your files, hack your device, or determine your identity. Using a firewall, keeping software updated, and using a VPN provides strong protection against IP-based threats.