What Is an IP Address?
Every device connected to the internet has one. Your phone, your laptop, your smart TV, your router — all of them have an IP address, and that address is doing more work than most people realize.
Here's what it actually is, what it reveals about you, and what you can do about it.
The basic idea
IP stands for Internet Protocol. An IP address is a numerical label assigned to every device on a network that identifies it and allows it to communicate with other devices. Think of it like a return address on an envelope — when your device sends a request to a website, that website needs to know where to send the response. Your IP address is where.
A typical IPv4 address looks like this: 192.168.1.1 — four numbers between 0 and 255, separated by dots. IPv6 addresses are longer and look different, introduced because the world ran out of IPv4 addresses as the number of internet-connected devices exploded.
Two types worth knowing about
Your public IP address is assigned by your ISP and is visible to every website and service you connect to. It identifies your connection to the outside world. This is the one that matters for privacy.
Your private IP address is assigned by your router and only exists within your local network. Your laptop might be 192.168.1.5 on your home network, but that address is invisible to the outside internet. When traffic leaves your home network, it all appears to come from your single public IP.
What your IP address reveals
More than most people expect.
Your general location. IP geolocation databases map IP address ranges to geographic locations. The precision varies — sometimes it's accurate to the city level, sometimes just to the region or country — but websites can make a reasonable guess at where you are without you telling them anything. This is how streaming services enforce geographic licensing restrictions and how some sites show you localized content automatically.
Your ISP. Your IP address identifies which internet service provider you're using. This is public information, visible to any site you visit.
Your browsing history — to your ISP. Your ISP assigns your IP address and logs which IP was assigned to which account at what time. Every website your IP connects to is visible to your ISP. In many countries ISPs are required to retain this data for extended periods and provide it to authorities on request.
A persistent identifier across sites. Ad networks and data brokers use your IP address as one of many data points to track you across websites. If you visit ten different sites and they all share data with the same ad network, that network can build a profile of your interests and behavior tied to your IP.
What your IP address doesn't reveal: your exact street address, your name, or your precise identity. That said, with your IP and a legal request to your ISP, anyone with the right authority can connect your IP to your account, which connects to your billing information, which connects to you.
Static vs. dynamic IP addresses
Most home internet connections use dynamic IP addresses — your ISP reassigns you a different IP periodically, usually when your router restarts or your lease expires. This provides minimal privacy benefit since the ISP still has records of which IP was assigned to your account at any given time.
Static IP addresses don't change. Businesses typically use them because they need a consistent address for hosting servers or services. Some ISPs offer static IPs to residential customers for an extra fee.
For privacy purposes, the distinction matters less than people think. A changing IP doesn't protect you from your ISP's logs.
How to hide your IP address
A VPN is the most practical approach. When you connect to a VPN, your traffic routes through the VPN's server and websites see that server's IP address instead of yours. Your ISP sees that you're connected to a VPN but can't see what you're doing inside that connection. The VPN provider sees your traffic, which is why a verified no-logs policy matters.
Tor routes your traffic through multiple volunteer-run servers so no single point can see both your identity and your destination. It's stronger for anonymity than a VPN but significantly slower.
A proxy server sits between your device and the internet and forwards your requests using its own IP. Proxies are generally less secure than VPNs — they typically don't encrypt traffic and many free proxies are actively hostile, injecting ads or collecting data. They're not a recommended privacy tool.
Why this matters more than it used to
IP-based tracking has become more sophisticated as the data industry has grown. Your IP alone isn't enough to identify you — but combined with browser fingerprinting, cookie tracking, logged-in accounts, and behavioral data, it becomes one piece of a profile that's quite detailed.
Data brokers buy and aggregate this data. They sell it to advertisers, insurers, employers, and anyone else willing to pay. The IP address you're using right now has contributed to a data trail that exists somewhere, attached to inferences about your income, interests, health, and habits.
Most people don't think about this because it's invisible. The data collection happens in the background, the profiles exist in databases you'll never see, and the effects show up indirectly — in the ads that follow you around, the prices you're quoted, the content that gets surfaced to you.
How Veilock handles this
Veilock replaces your IP address with one from its server network. Websites see Veilock's IP, not yours. Your ISP sees a VPN connection, not your browsing activity. DNS queries are handled through DoH encryption so the sites you're visiting aren't leaking at the DNS level even with the VPN active.
The no-logs policy means Veilock doesn't store records of which sites you visited or when. Your traffic passes through, encrypted, and no record of it is retained.
Common questions
Can someone find my home address from my IP?
Not directly. IP geolocation can identify your ISP and approximate location — often to the city level — but not your street address. However, law enforcement with a court order can request your ISP to connect your IP to your account, which does include your address.
Does my IP address change?
Most home connections use dynamic IPs that change periodically. Mobile connections change more frequently. A VPN changes your visible IP every time you connect to a different server.
Can websites track me if I use a VPN?
Websites can't see your real IP when you're using a VPN, but they can still track you through cookies, logged-in accounts, and browser fingerprinting. A VPN addresses network-level tracking. Application-level tracking requires additional tools — a privacy browser, tracker blocking, and not logging into accounts you want to keep separate.
What is an IPv6 address and does it affect my privacy?
IPv6 is the newer address format, introduced because IPv4 addresses ran out. IPv6 addresses are longer and structured differently, but the privacy implications are similar — they identify your connection and can be used to track you. One additional concern: some VPNs don't handle IPv6 properly, which can result in your real IPv6 address leaking even when connected to the VPN. This is called an IPv6 leak and is worth testing for.
How do I find my IP address?
Search "what is my IP" in any browser. Several tools exist that show both your IPv4 and IPv6 addresses along with your approximate geolocation and ISP.