How to Find Your IP Address on Any Operating System

Two IP addresses, two questions

The phrase “your IP address” is ambiguous on purpose: there are two answers, and which one you need depends on what you are trying to do. If you are setting up a printer, port-forwarding a game, or telling a colleague where to SSH on your home network, you want your private IP. If you are diagnosing geographic blocking, configuring a firewall rule on a remote service, or signing a server up for a static address with an SaaS, you want your public IP.

The widget below makes the relationship concrete. Click each layer of a typical home network to see which IP applies and who is allowed to see it.

A practical consequence: every device behind your router shares the same public IP. From the outside it is impossible to distinguish your phone, your laptop, and your smart-TV without additional clues like the User-Agent header or a login cookie. That is why a single “suspicious login” from your home address can affect every account in the family — to the server, you are all the same source.

Finding your local IP — pick your OS

The shortcut on every OS is the same: open the network settings for the connection you are currently using, and the IP is one or two clicks deep. The tabs below walk through each common operating system. If you live in a terminal, every guide also lists the single-line command equivalent.

Two things to remember as you read your address:

• If the number starts with 192.168., 10., or anything in 172.16–172.31, you are looking at a private address. That is normal — it is the one you want for everything inside your home.
• If the OS shows you something like 169.254.x.x, the device failed to get a DHCP lease. That is a connectivity problem, not an IP — fix the network first and the real address will appear.

Finding your public IP

Because the public address belongs to your router (not your device), the OS dialogs never show it. The fastest way to find it is to ask a server: any website you visit already sees it, so the easy answer is to load a service whose only job is to echo it back. Loading ip8.com does exactly that at the top of the page, and ip8.com/ipdetails does it with the full enrichment your IP carries.

Power users sometimes prefer the command line. Any of these one-liners will print your public IP without opening a browser:

If you get a different answer from a command line and from a browser, you are almost certainly running a VPN or proxy in one but not the other — that is normal and exactly what the next widget illustrates.

What your public IP actually says about you

Knowing the number is one thing — knowing what other people read from it is another. Even though your IP looks like a meaningless string of digits, a stack of public databases turns it into a surprisingly detailed snapshot the instant a request leaves your router. Click the example profiles below to see how the same lookup tells a very different story depending on the kind of connection.

None of the data on the panel above is sensitive in isolation — but combined, it is more than enough to power geographic content licensing, fraud scoring, ad targeting, and rate limiting. Sites that decide to challenge or block you use this exact set of signals. Sites that profile you add a few more, like browser fingerprint and timing patterns; we cover those separately in our browser fingerprinting deep-dive.

Common gotchas

• IPv6 takes priority. Modern OSes assign both an IPv4 and an IPv6 address. Some servers will prefer your IPv6, others will fall back to IPv4 — so the “public IP” you see can change between two services even on the same connection.
• VPNs and corporate proxies override everything. If a VPN is on, the address every external site sees is the VPN exit, regardless of what your OS still shows in its LAN settings. Toggle the VPN off if you specifically need your real public IP for a support ticket.
• Mobile networks lie about location. Carrier IPs are typically assigned from a centralized gateway. Even sober tools will place you in the city that owns the gateway, not the city you are physically in. If that matters, prefer Wi-Fi for the test.
• Restarting the router can change the public IP. Residential connections usually have dynamic public IPs assigned by DHCP from your ISP. Power-cycling the modem often nudges the ISP to hand out a new one — useful if a service has soft-banned the current address.