What Is My IP Address? IPv4 & IPv6

Plus access professional network diagnostic tools used by developers and IT professionals worldwide. You can check your IP address on multiple websites, and chances are that all of these websites will show different locations. Your device uses either a static IP or a dynamic IP addressing system when you connect to the internet. Since ISPs provide you with access to the internet, it’s their responsibility to assign an IP address to your device. The first IP addresses were assigned in the early 1980s under the ARPANET project, a precursor to the modern internet.

VPNs are commonly used to access geo-restricted content, protect sensitive data on public Wi-Fi, and enable remote work by securely connecting to private company networks. We use multiple reliable data sources to ensure the highest accuracy in geolocation and ISP identification. Your public IP address is automatically detected and displayed when you visit our website.

With static IP addresses, you essentially use the same address every time you connect to the internet. Note that while IPv4 offers a limited number of addresses that can be assigned, this is not the case with IPv6. For instance, if AT&T or COX is your ISP, they’re responsible for assigning IPs to your devices.

Whether you’re simply surfing the web, watching a video on YouTube, or booking your next holiday, IP addresses are certainly involved. Stanford University, bajilive MIT, and the US Department of Defense were among the first recipients. Initially, IP addresses followed the class-based system, with large blocks allocated to universities, corporations, and government entities. IPv4 uses a 32-bit addressing system, allowing around 4.3 billion unique addresses, while IPv6 employs a 128-bit system, providing an almost unlimited number of addresses.

Learn everything about IP addresses, network diagnostics, and online privacy with our comprehensive guides Professional networking tools for developers, system administrators, and IT professionals. Instantly discover your public IP address, location, and ISP information.

Useful for troubleshooting network connectivity. Resolve domain names to IP addresses and view DNS records (A, AAAA, MX, CNAME, TXT, NS). Format, beautify, and minify JavaScript code with syntax highlighting and error detection.

The first IP addresses assigned in internet history

• For instance, if AT&T or COX is your ISP, they’re responsible for assigning IPs to your devices.
• A VPN (Virtual Private Network) is a technology that encrypts internet traffic and hides the user’s IP address, enhancing privacy and security online.
• Stanford University, MIT, and the US Department of Defense were among the first recipients.
• Test your internet connection speed including download, upload, and ping measurements.
• Useful for troubleshooting network connectivity.

Since they were first developed in the 1970s, IP addresses have evolved to define how devices interact on the internet. A VPN (Virtual Private Network) is a technology that encrypts internet traffic and hides the user’s IP address, enhancing privacy and security online. Indeed, a large part of the web is still operating under the old ipv4 protocol, and it is likely that your internet provider has also allocated an ipv4 address to you. An IP address (Internet Protocol address) is a unique numerical identifier assigned to every device connected to the internet.

Allocation of your IP may vary depending on your internet provider. Free, fast, and accurate IP lookup service. All network traffic is divided into smaller packages and then sent away with both a sender and receiver IP address.

What is my IP address used for?

These tools are essential for network administrators, cybersecurity professionals, and anyone concerned about their online privacy and security. Access our comprehensive suite of network diagnostic tools for professional analysis However, dynamic IP addresses are temporary and assigned every time a device connects to the network. IP addresses are typically assigned to devices by an Internet Service Provider (ISP).

IP Tools

Later, when reconnecting, you usually automatically get assigned a new IP. Your IP Address usually changes when disconnecting from the internet. Your IP Address is a unique identifier on the internet. Trace the network path to any destination showing all intermediate hops and latency. Analyze SSL certificates for security status, expiration dates, and certificate chain. Test your internet connection speed including download, upload, and ping measurements.

Diagnose network issues, lookup DNS records, check SSL certificates, and more. However, some details like your Country, and State can be identified by your IP address. Static IP addresses are also called dedicated IPs and can be reserved for a single entity like a business to use.