Every device connected to the internet needs an address that routers can use to deliver data to the right place — this tool shows you your own public IP address and related network information, the same address every website you visit already sees.
Two generations of an addressing system straining under growth
IPv4, the original Internet Protocol addressing scheme finalized in 1981, allocates addresses using a 32-bit number — theoretically allowing about 4.3 billion unique addresses, a number that seemed effectively limitless in the internet's early days but has since been fully exhausted by regional internet registries as global device growth vastly outpaced 1980s expectations. IPv6, developed through the 1990s and standardized in 1998 specifically to solve this looming shortage, uses a vastly larger 128-bit address space (enough for an almost incomprehensibly large number of unique addresses), and its adoption — though still gradual and incomplete decades later — has been accelerating as IPv4 exhaustion makes new address allocation increasingly difficult.
What this tool shows you
The tool detects and displays the public IP address your device is currently using to connect to the internet — the address a website, server or other online service sees when you connect to it — along with commonly associated information like your approximate geographic location (derived from IP geolocation databases, which are informative but not always precise) and your internet service provider, all information any website you visit can already access without any special permission.
Where knowing your own IP information is genuinely useful
- Configuring remote access or firewall rules — setting up VPN access, remote desktop connections, or firewall allowlists frequently requires knowing your current public IP address.
- Verifying a VPN or proxy is working correctly — checking whether your displayed IP address and location actually change after connecting to a VPN is a straightforward way to confirm it's functioning as expected.
- Diagnosing network or connectivity issues — support technicians and network troubleshooters often need to confirm a user's actual public IP address as a first step in diagnosing a connectivity problem.
- Understanding what websites can see about you — many people are surprised to learn how much information (approximate location, ISP) is derivable from an IP address alone, and seeing your own information here is a genuinely useful privacy-awareness exercise.
Frequently asked questions
Does my IP address reveal my exact physical location? No, generally not with precision — IP-based geolocation typically identifies your city or region based on your internet service provider's infrastructure, not your exact street address, though accuracy varies considerably depending on the provider and region.
Why did IPv4 addresses run out if 4.3 billion sounds like a lot? Because 4.3 billion is genuinely insufficient for a world with many billions of internet-connected devices — smartphones, laptops, servers, IoT devices and more — combined with inefficient early allocation practices that assigned huge address blocks to early organizations well before anyone anticipated the internet's eventual scale.
Is my public IP address the same as my device's local network address? No — your public IP is the single address your entire home or office network presents to the wider internet (typically assigned to your router), while each individual device behind that router has its own separate, private local address, a distinction managed by a technique called network address translation (NAT).
Further reading
Wikipedia — IPv4 address exhaustion — The history and ongoing consequences of running out of available IPv4 addresses.