Your IP address is the number that identifies your device or network on the internet — and the fastest way to see yours is to type “what is my IP” into any search engine. The result that appears at the top is your public IP: the address the rest of the internet sees whenever your devices go online.
What an IP Address Actually Is
IP stands for Internet Protocol, and an IP address works a bit like a return address on a letter. Every device that talks to the internet needs one so data knows where to go and where it came from. Your internet provider assigns your public address; your router assigns private ones to the devices in your home. Most home connections get a dynamic address, which means it can change from time to time — you lease it rather than own it.
Start with more explainers in our Tech section for the bigger picture.
IPv4 and IPv6: The Two Versions in Use Today
Not all IP addresses look alike, because the internet has been moving between two versions of the protocol for years.
IPv4: The Original Format
IPv4 addresses are 32-bit numbers written as four groups of digits separated by dots — 192.0.2.1 is the classic example. That 32-bit length caps the total at roughly 4.3 billion addresses, which sounded enormous in the 1980s and ran effectively dry years ago as the internet exploded in size. That’s why address-sharing tricks like NAT became essential.
IPv6: The Modern Format
IPv6 uses 128-bit addresses written as eight groups of hexadecimal digits — 2001:db8::1, for example. The address space is practically unlimited, so exhaustion simply isn’t a concern. Adoption has been growing steadily, and most modern networks run both versions side by side (engineers call this dual-stack) so nothing breaks during the transition.
| Feature | IPv4 | IPv6 |
|---|---|---|
| Address length | 32-bit | 128-bit |
| Example | 192.0.2.1 | 2001:db8::1 |
| Address space | ~4.3 billion | Practically unlimited |
| Status | Exhausted; still dominant | Growing; dual-stack common |
Cloudflare publishes a solid IPv4 vs IPv6 explainer if you want the deeper technical dive.
Public vs. Private: The Two Addresses You Have
Here’s the part that confuses most people: you don’t have one IP address — you have (at least) two.
Your Public IP
Your public IP is assigned by your internet provider, and it’s what websites and services see. In most homes, every device shares a single public address — your router presents one face to the internet on behalf of the whole household.
Your Private IP
Inside your home network, your router hands each device its own private address from reserved ranges — 10.0.0.0/8, 172.16.0.0/12, and 192.168.0.0/16 (which is why your laptop is probably something like 192.168.1.5). These addresses only work within your network; the router translates between them and your public IP using NAT — network address translation — so every reply finds its way back to the right device.
How to Find Your IP Address
Your Public IP — The 10-Second Method
Search “what is my IP” in any search engine and it will show you right at the top of the results. Dedicated lookup sites exist too, but the search trick is all most people ever need.
Your Private IP on Your Device
Windows: open Settings → Network & internet and select your connection, or run ipconfig in a terminal. Mac: System Settings → Network, then your active connection. iPhone: Settings → Wi-Fi, then tap the (i) next to your network. Android: Settings → Network & internet → Wi-Fi, then tap your connected network. And if you need your router’s own address, its admin page is usually at something like 192.168.1.1 — the login details are typically printed on a sticker on the router itself.
Also see more guides in our Tech section.
Why Your IP Address Matters
It Reveals Your Approximate Location
An IP address can usually be traced to a city or region, along with the name of your internet provider. That’s how streaming services enforce regional libraries and how sites show you local content. What it doesn’t reveal is your street address — geolocation is a rough estimate, not a GPS pin.
Privacy and Tracking
Websites log the IPs that visit them, and combined with cookies and other data, that can build a picture of your browsing habits. It’s one reason privacy-conscious people reach for a VPN.
Security
Your IP is one signal among many that banks and services use to spot suspicious logins — a sign-in from an unexpected country will raise an eyebrow. But an IP address alone doesn’t let anyone hack you; real attacks need unpatched software, weak passwords, or phishing. Keep those locked down and the IP itself is a minor concern.
Access and Restrictions
IP addresses are also how blocks work. If you’ve ever hit an “access denied” page or found a video unavailable in your country, that was an IP-based restriction doing its job.
Can You Change or Hide Your IP Address?
Sometimes, and to varying degrees. Restarting your router can get you a fresh address if your provider assigns them dynamically. A VPN routes your traffic through the provider’s servers, so websites see the VPN’s IP instead of yours — though your internet provider can still see that you’re using a VPN, and the VPN provider itself can see your traffic, so choosing a trustworthy one matters. Proxies offer a lighter-weight version of the same idea, and Tor provides stronger anonymity at the cost of speed. Just know that no method makes you fully anonymous; each one shifts who can see what.
For background on the protocol itself, Wikipedia’s article on IP address covers the history and the technical detail. Learn more in our Tech section.
Frequently Asked Questions
What is my IP address right now?
Type “what is my IP” into any search engine — it’ll show you at the top of the results.
Is my IP address private information?
Somewhere in between. Every website you visit sees your public IP automatically, so it’s not secret — but there’s no reason to post it publicly either.
What’s the difference between IPv4 and IPv6?
IPv4 is the older 32-bit format (192.0.2.1) with about 4.3 billion possible addresses, now exhausted. IPv6 is the newer 128-bit format (2001:db8::1) with a practically unlimited supply. Most networks currently run both.
Can someone hack me just by knowing my IP?
Not on its own. Real attacks rely on unpatched software, weak or reused passwords, or phishing — an IP address by itself doesn’t open any doors.
Does my IP address show my exact location?
No. It typically reveals your city or region and your internet provider — not your street address.
Will a VPN hide my IP address?
From websites, yes: they’ll see the VPN server’s address instead. Your internet provider will still know you’re using a VPN, so the provider you choose matters.
Worth Remembering
You have a public IP the internet sees and a private one your router manages, and finding either takes seconds. An IP address says roughly where you are — not exactly — and while it’s worth understanding, it’s the passwords, updates, and habits around it that actually keep you safe online.
