Your Public IP is
Internet Speed & Quality
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Geolocation & ISP
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Physical Location
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Subnet Calculator
Network
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Broadcast
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Netmask
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Hosts
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Dev Tools
Advanced IP & Browser Data
IP Representations
Binary
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Integer
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Language
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Cookies
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Threads
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Local Time
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Security Alert
Websites can see you are in:
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Ping
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Password Gen
Screen & Device
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Viewport
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Pixel Ratio
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Color Depth
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MAC Lookup
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Network Intelligence Center
Common questions about network identity, privacy, and security.
What is my Public IP?
Your public IP address identifies your device on the internet. It is assigned by your ISP and allows websites to communicate with you.
Does Incognito Mode hide my IP?
Incognito Mode only stops your browser from saving history. It does not hide your IP address from websites or your ISP.
How does the Speed Test work?
We measure your download speed by fetching secure data packets from a global CDN. This calculates your real-time bandwidth in Mbps.
What is a Subnet Calculator?
Our Subnet Calculator takes an IP and CIDR (e.g., /24) to compute the Network Address, Broadcast Address, and usable host range.
What is Base64 Encoding?
Base64 converts binary data into ASCII text. It is commonly used by developers to encode images or credentials for web transmission.
What is a WebRTC Leak?
WebRTC can accidentally reveal your real IP address even when using a VPN. Our tool checks for these leaks instantly.
What is a MAC OUI?
The first 6 characters of a MAC address (OUI) identify the manufacturer (e.g., Apple, Cisco). Use our lookup tool to identify unknown devices.
Is the Password Generator safe?
Our generator runs 100% in your browser using the window.crypto API. Passwords are created locally and never sent to a server.
What is Ping and Jitter?
Ping is the reaction time of your connection. Jitter is the variance in ping. Lower values are essential for gaming.
How do I change my IP?
To change your Public IP, you must use a VPN. Restarting your router usually only changes your local dynamic IP.
What is Device Pixel Ratio?
DPR measures the density of your screen. A ratio of 2.0 or higher indicates a "Retina" or high-resolution display.
What is my User Agent?
This string identifies your browser and OS to websites. It allows servers to format content correctly for your specific device.
What is the difference between IPv4 and IPv6?
IPv4 addresses are 32-bit (e.g., 192.168.1.1). IPv6 addresses are 128-bit, created to solve the global shortage of unique IP addresses.
What is a DNS Leak?
A DNS leak happens when your web requests bypass your VPN tunnel, allowing your ISP to see which websites you visit.
What is CIDR Notation?
Classless Inter-Domain Routing (CIDR) is the modern standard for IP addressing, using a suffix (e.g., /24) to denote the network mask.
What is RTT (Round Trip Time)?
Round Trip Time (RTT) measures the milliseconds it takes for a signal to reach a server and return. It is critical for network performance.
What is Viewport vs Resolution?
Viewport is the visible area of a web page on your screen. It differs from your physical screen resolution and changes when you resize the window.
Why is my internet slow?
Slow speeds can result from ISP throttling, Wi-Fi interference, or network congestion. Run a speed test to diagnose the issue.
What is URL Encoding?
URL Encoding (percent-encoding) converts special characters into a format that can be safely transmitted over the Internet (e.g., space becomes %20).
What is a Broadcast Address?
A broadcast address is a special IP used to send data to all devices on a specific network subnet simultaneously.
What is a Netmask?
A netmask is a 32-bit binary mask used to divide an IP address into subnets and specify the network's available hosts.
How do I find my MAC address?
On Windows, type 'ipconfig /all' in Command Prompt. On macOS, go to System Preferences > Network > Advanced > Hardware to find your MAC address.
Is my browser tracking me?
Websites track you via cookies, IP addresses, and device fingerprinting. Use our 'Advanced IP & Browser Data' tool to see what your browser reveals.
What is Packet Loss?
Packet loss occurs when data units traveling across a network fail to reach their destination, causing lag, jitter, or connection drops.
What is a Private IP Address?
Private IPs (like 192.168.x.x) are used within home or business networks and are not reachable directly from the internet.
What is Do Not Track (DNT)?
Do Not Track (DNT) is a web browser setting that requests that a web application disable its tracking of an individual user.
How secure is Base64?
Base64 is NOT encryption; it is encoding. It provides no security benefits and can be easily decoded by anyone. Never use it to hide passwords.
What is the difference between Bandwidth and Latency?
Bandwidth is how much data can be transferred at once (like highway lanes). Latency is how fast it gets there (speed limit).
Why does my IP location look wrong?
IP geolocation is an estimate. It often shows the location of your ISP's nearest data center, not your exact home address.
What is Hardware Concurrency?
This refers to the number of logical processor cores available to run threads on your user's device, which browsers can detect via API.
Is Changing IP Illegal?
No, using a VPN or proxy to change your IP address is legal in most countries. However, using it to disguise illegal activity remains a crime.
What is the 0.0.0.0 IP address?
In routing tables, 0.0.0.0/0 represents the 'default route'—the path used for any traffic that doesn't match other specific routes.
Can I be Traced by my IP Address?
Yes. Your ISP knows which IP is assigned to your account. Websites can see your general region and ISP, but usually not your name without a court order.
What does 192.168.1.1/24 mean?
This represents a local network range from 192.168.1.0 to 192.168.1.255. The '/24' is CIDR notation for the subnet mask 255.255.255.0.
What is 169.254.x.x?
This is an APIPA address. It means your device could not find a DHCP server (router) and automatically assigned itself a temporary IP.
How do I find my Local IP?
Your Local IP is different from your Public IP. On Windows, use 'ipconfig'. On Mac/iPhone, check your Wi-Fi settings details.
Is an IP address like a phone number?
Similar concept (it identifies you), but IP addresses are often temporary (dynamic), whereas phone numbers are usually permanent.
Does my IP change on different Wi-Fi networks?
Yes. When you switch Wi-Fi networks, you are assigned a new Local IP by the router and adopt the Public IP of that network's ISP.
Can I see who owns an IP address?
You can perform a 'WHOIS' lookup to find the organization (ISP or Company) that registered the IP, but you generally cannot find the specific individual user.
How to check IP on mobile?
Simply visit N28.net on your mobile browser. It will instantly display your Public IP, ISP, and Location.