What is the difference between IPv4 and IPv6 addresses?

IPv4 uses a 32-bit numeric format separated by periods, while IPv6 uses a 128-bit alphanumeric format separated by colons. IPv6 was created to solve the exhaustion of available IPv4 addresses by supporting a vastly larger number of connected devices.

Why does my IP address change over time?

Most consumer internet service providers use Dynamic Host Configuration Protocol (DHCP) to assign dynamic IP addresses from a shared pool. This means your public IP can change whenever your router restarts or when your ISP refreshes its lease allocations.

Does this tool reveal my exact physical address?

No, this tool only estimates your geographic location based on regional IP address allocation data provided by your ISP. It can typically identify your country, region, and city, but it cannot pinpoint your exact street address or building.

What is a reverse DNS lookup?

A reverse DNS lookup queries a PTR record to resolve an IP address back into a domain name. Network administrators use it to verify the authenticity of incoming connections and email servers.

How can I hide my real IP address?

You can mask your real public IP address by routing your internet traffic through a Virtual Private Network (VPN), a proxy server, or the Tor network. These services replace your visible IP with that of the server you are routing through.

Why am I seeing a local IP address instead of my public IP?

If you see a private network range like 192.168.x.x, your device is reporting its local network identifier assigned by your router. Public IP checks query the address assigned to your modem or router by your ISP.

What Is My IP Address? Check Your Public IP and ISP

Discover your public-facing network identity instantly with the What Is My IP tool, designed to display your active internet protocol address along with essential routing data. This utility queries your current network connection to reveal how the public internet perceives your device.

What is it

An IP address, or Internet Protocol address, is a unique numerical label assigned to every device connected to a computer network that uses the Internet Protocol for communication. There are two primary versions in active use: IPv4, which relies on a 32-bit numeric scheme (such as 192.0.2.1), and IPv6, which uses a 128-bit alphanumeric format (such as 2001:db8::1). Your public IP address is the main identifier assigned by your Internet Service Provider (ISP) that allows websites, servers, and other network nodes to send data back to your browser. This tool captures the source address of your current HTTP request and performs immediate lookups to gather contextual routing information.

Why it matters

Knowing your public IP address is essential for a wide variety of network troubleshooting and administrative tasks. If you need to configure remote desktop access, set up port forwarding on your home or office router, or establish a secure VPN tunnel, your public IP is the baseline requirement. System administrators frequently rely on this information to whitelist IP addresses for database access, secure SSH connections, or restrict administrative panels to trusted networks. Furthermore, understanding your visible IP helps you verify whether your VPN or proxy service is functioning correctly and preventing your real location from leaking.

How to use this tool

Navigate to the XiaTools What Is My IP page in your web browser.
Locate the main query box situated at the center of the screen.
Click the Check button to initiate an immediate lookup of your current network session.
Review the dynamically generated output displayed on your screen within seconds.

How to read the results

Once the tool completes its query, you will see several key data points that describe your current network connection. For example, a typical output for a user browsing from example.com network infrastructure might display an IPv4 address of 203.0.113.45, an ISP value of Example Networks Inc., a geographic location of United States, and a reverse DNS hostname of host-203-0-113-45.example.net. The IP Address field shows your primary numerical identifier. The ISP entry identifies the company that provides your internet service. The Country and Region fields estimate your physical location based on regional IP allocation registries. Finally, the Reverse DNS or PTR record translates your numeric IP back into a human-readable domain name, which network administrators use to verify mail servers and connection origins.

Common problems and how to fix them

Seeing a Local IP Instead of a Public IP

If the tool displays an address starting with 192.168.x.x, 10.x.x.x, or 172.16.x.x, your browser is likely querying through a local network device rather than your router's public interface. Ensure you are connected directly to the active internet gateway or check for local proxy configurations.

Incorrect Geographic Location

IP geolocation relies on regional databases maintained by Regional Internet Registries, which are not always updated immediately when blocks are reassigned. If your location appears incorrect, you can verify your IP registration details directly with registries like ARIN or RIPE.

Static vs. Dynamic IP Confusion

Many home users notice their IP address changes periodically because most consumer ISPs assign dynamic addresses via DHCP. If you require a permanent address for server hosting, contact your ISP to request a static IP assignment or utilize a Dynamic DNS (DDNS) provider.

Best practices

Always verify your public IP address before modifying critical firewall rules or adjusting server access control lists. If you handle sensitive operations, ensure your connection is routed through a secure, encrypted tunnel or VPN to protect your real location from malicious tracking. Keep a record of your assigned static IP if you manage remote infrastructure, and periodically test your connection to confirm that reverse DNS records resolve correctly for any public-facing services you host.

What Is My IP

Your public IP address