What Is an IP Address?
An IP address (Internet Protocol address) is a unique numerical label assigned to every device connected to a computer network that uses the Internet Protocol for communication. Think of it like a postal address for your device — it tells other computers on the internet where to send data when you request a website, stream a video, or send an email.
IPv4 vs IPv6 — What's the Difference?
IPv4 is the original version, using 32-bit addresses formatted as four groups of numbers separated by dots (e.g., 192.168.1.1). IPv4 supports about 4.3 billion unique addresses — which has proven insufficient for the growing internet.
IPv6 uses 128-bit addresses formatted as eight groups of hexadecimal numbers separated by colons (e.g., 2001:0db8:85a3:0000:0000:8a2e:0370:7334). This allows for approximately 340 undecillion unique addresses — more than enough to accommodate every connected device on Earth for the foreseeable future.
What Can Someone Do with Your IP Address?
Your IP address reveals more information than most people realize:
- Geographic location — At minimum, your country, region, and city can be inferred
- Internet Service Provider (ISP) — Websites can see which company provides your internet
- Connection type — Whether you're on a residential, business, or mobile connection
- Targeted advertising — Advertisers use IP data to serve location-specific ads
- Bandwidth throttling — Some ISPs throttle specific types of traffic based on IP
- Geo-restrictions — Streaming services use your IP to enforce regional content locks
How Does IP Geolocation Work?
IP geolocation maps an IP address to a physical location using databases maintained by organizations that track IP address allocations. These databases are built from Regional Internet Registries (RIRs) such as ARIN, RIPE NCC, and APNIC. The accuracy varies — country-level detection is typically 95–99% accurate, while city-level accuracy drops to 50–80%.
What Is My IP Address Right Now?
Your current public IP address is displayed at the top of this page, detected automatically when you loaded it. This is the IP address that websites, servers, and online services see when you connect to them — not your private local network IP (like 192.168.x.x), which is only visible within your home or office network.
Public IP vs. Private IP
A public IP address is assigned by your ISP and is visible on the internet. A private IP address is used within your local network (e.g., your router assigns 192.168.1.x addresses to devices at home). Your router shares one public IP among all devices on your network using a technique called Network Address Translation (NAT).
How to Hide Your IP Address
There are several ways to mask or change your public IP address:
- VPN (Virtual Private Network) — Routes your traffic through a server in another location, replacing your real IP
- Tor Browser — Bounces your connection through multiple volunteer nodes for maximum anonymity
- Proxy servers — Acts as an intermediary but typically less secure than a VPN
- Mobile data — Switching from WiFi to mobile data will often change your IP
Dynamic vs. Static IP Addresses
Most home internet users have a dynamic IP address — one that changes periodically. ISPs assign dynamic IPs from a pool, recycling them among customers to conserve IPv4 addresses. Static IP addresses remain constant and are typically used by businesses hosting servers, websites, or VoIP services that need a reliable, permanent address.