Your IP address is the numerical label that identifies your device on the internet and lets servers route data back to you. It also reveals your network, your internet provider, and your approximate location, which makes it one of the first signals any website records about you.
An IP (Internet Protocol) address is a unique identifier assigned to every device on a network. It works like a return address on an envelope: when you request a web page, the server needs your IP to know where to send the response. Every connection you make — browsing, streaming, gaming — carries your public IP, which is why it is the foundation of both routing and tracking on the internet.
Your private IP is used inside your local network, identifying your laptop or phone to your home router. Your public IP is assigned by your internet provider and is what websites actually see. Many devices share one public IP through a process called NAT, so the address a site records usually represents your whole household or office rather than a single device.
IPv4 uses 32-bit addresses written as four numbers, like 203.0.113.5, and has run out of free space. IPv6 uses much longer 128-bit addresses to provide an effectively unlimited supply. Many networks now run both. For privacy this matters because IPv6 can assign a more device-specific address, and a mismatch between your IPv4 and IPv6 location can expose VPN use.
Commercial databases map IP ranges to a city, region, and ISP. This is how sites serve local content, currency, and language automatically. The accuracy is usually good to the city level but rarely pinpoints a street address. Still, combined with other data, your IP contributes to a profile that advertisers and platforms use to recognise and segment you over time.
Most home connections use dynamic IPs that your provider rotates periodically, so your address may change after a router reboot or lease renewal. Static IPs stay fixed and are common for servers and businesses. Dynamic addressing offers slightly more privacy because your identifier shifts over time, but it does not prevent tracking that relies on other signals like your fingerprint.
To hide your real IP, route your traffic through a VPN or proxy so sites see the server's address instead of yours. The Tor network adds multiple relays for stronger anonymity at the cost of speed. Whatever tool you choose, test for WebRTC and DNS leaks afterward — these can quietly expose your true IP even when the rest of your traffic is protected.
To see the IP a website records, you need a lookup that reports the public address your connection presents, not the private one on your local network. An IP check returns that public address along with the details derived from it: your ISP, ASN, approximate city, and whether the address is flagged as a proxy, VPN, or datacenter. Checking from different networks — home, mobile data, a VPN — is the fastest way to confirm what each connection exposes and whether your VPN or proxy is actually masking your real address.
IP geolocation is reliable at the country level and usually correct to the city, but it does not reveal a street address. The location comes from commercial databases that map address ranges to registered ISP locations, so a result can point to your provider's regional hub rather than your exact neighbourhood, and mobile or satellite connections are often less precise. This is why a site can localise content and currency from your IP yet still be tens of kilometres off — and why IP location alone cannot identify an individual without additional data.
Generally no. Your IP reveals your city, region, and internet provider, but only that provider can link the address to your account and physical location, and only with a legal request. A casual website or individual cannot turn your IP into a street address.
Most home connections use dynamic addressing, so your provider reassigns your public IP periodically — often after a modem restart or when your address lease expires. This is normal. If you need a fixed address for hosting or remote access, providers can offer a static IP, usually for an extra fee.
In the vast majority of countries, yes. Using a VPN, proxy, or Tor to protect your privacy is legal and common. A few jurisdictions restrict or regulate VPNs, and hiding your IP never makes illegal activity legal, but the act of masking your address for privacy is legitimate.
Your IP identifies your network connection and can change, while your fingerprint identifies your browser and device and stays stable even when your IP changes. Trackers often combine the two: the IP gives location, the fingerprint provides a persistent identity that survives a new address.
Use an IP check that reports your public IP — the address websites actually see — rather than the private one on your router. A good check also shows the ISP, ASN, and approximate location tied to that IP, and flags whether it looks like a VPN, proxy, or datacenter. Running it on each network you use reveals exactly what every connection exposes.
It is dependable at the country level and usually right to the city, but it cannot pinpoint a home address. Geolocation databases map IP ranges to a registered ISP location, so results can land on a provider hub kilometres away, and mobile connections are less precise. It is accurate enough for localised content but not for identifying a specific person.