What Is My IP Address?

What Is an IP Address?

An IP address (Internet Protocol address) is a unique numerical identifier assigned to every device connected to a computer network that uses the Internet Protocol for communication. Think of it as your device's mailing address on the internet — it tells other computers where to send the data you request.

When you visit a website, your device sends a request that includes your IP address so the web server knows where to deliver the page. Your Internet Service Provider (ISP) assigns your public IP address, which can be static (permanent) or dynamic (changing periodically). Every time you connect to the internet, your IP address is visible to the websites and services you interact with.

IPv4 vs IPv6

IPv4 (Internet Protocol version 4) uses 32-bit addresses written as four numbers separated by dots, like 192.168.1.1. This format supports roughly 4.3 billion unique addresses — a number that seemed enormous when it was designed in the 1980s, but has since been exhausted due to the explosive growth of internet-connected devices.

IPv6 (Internet Protocol version 6) was created to solve this shortage. It uses 128-bit addresses written in hexadecimal groups separated by colons, like 2001:0db8:85a3::8a2e:0370:7334. IPv6 provides a virtually unlimited address space — approximately 340 undecillion (3.4 × 10³⁸) unique addresses — enough to assign a unique IP to every atom on the surface of the Earth and still have addresses left over. Most modern networks support both protocols simultaneously through a mechanism called dual-stack.

Why Check Your IP Address?

There are several practical reasons to look up your public IP address:

• Privacy & Security: Knowing your public IP helps you understand what information websites can see about you. If your IP reveals your precise location or ISP, you may want to take steps to enhance your privacy.
• VPN Verification: After connecting to a VPN, checking your IP confirms that your traffic is being routed through the VPN server and your real IP address is hidden. If you still see your original IP, your VPN may not be working correctly.
• Network Troubleshooting: When diagnosing connectivity issues, knowing your current IP address is essential. It helps you determine whether your router is assigning addresses correctly and whether your traffic is reaching the internet.
• Remote Access: If you need to connect to your home or office network remotely, you'll need to know your public IP address to configure port forwarding, firewalls, or remote desktop connections.
• Geolocation Testing: Developers and content creators often check their IP to verify how location-based services perceive their connection, ensuring geo-targeted content is delivered correctly.

Public vs Private IP Addresses

A public IP address is the address assigned to your network by your ISP. It's visible to websites, services, and other devices on the internet. This is the IP address shown by our tool above. Every device on your local network shares the same public IP when communicating with the outside world.

A private IP address is used within your local network (home, office, or data center). Devices like your laptop, phone, smart TV, and printer each have a unique private IP assigned by your router. Common private IP ranges include 192.168.x.x, 10.x.x.x, and 172.16.x.x through 172.31.x.x.

Your router uses NAT (Network Address Translation) to map private addresses to your single public IP, allowing multiple devices to share one internet connection while remaining individually addressable on the local network. This is why the IP you see on this page differs from the one shown in your device's network settings.