Knowledge Base
IP, VPN & Privacy FAQ
Expert answers on IP addresses, geolocation, VPNs, DNS leaks, and how to protect your digital footprint.
Your IP (Internet Protocol) address is a unique numerical label assigned to your device by your Internet Service Provider (ISP). It reveals your approximate geolocation (country, city, region), your ISP name, and can be used to infer your timezone. It does NOT reveal your exact street address, name, or personal identity without additional data.
IPv4 is the older standard using 32-bit addresses (e.g., 192.168.1.1), supporting about 4.3 billion unique addresses. IPv6 is the newer 128-bit standard (e.g., 2001:0db8:85a3::8a2e:0370:7334) supporting 340 undecillion addresses — solving IPv4 exhaustion. Most devices today support both through dual-stack configurations.
Yes. Every time you visit a website your IP address is transmitted in the HTTP request headers. Websites, advertisers, and CDNs use this to enforce geo-restrictions, detect bots, personalize content, and log traffic. Using a VPN or Tor replaces your real IP with the VPN server's IP.
A DNS leak occurs when your DNS queries bypass the encrypted VPN tunnel and are sent to your ISP's DNS servers, revealing your browsing activity even while connected to a VPN. To test: connect to your VPN, then visit a DNS leak test tool. If your ISP's DNS servers appear instead of your VPN provider's, you have a leak. Fix it by using a VPN with built-in DNS leak protection or configuring your OS to use encrypted DNS (DoH/DoT).
There are three main methods: (1) VPN — routes your traffic through an encrypted server, replacing your IP with the VPN server's IP. Best combination of speed, privacy, and ease of use. (2) Tor Network — bounces traffic through multiple volunteer relays, offering strong anonymity but slower speeds. (3) Proxy Server — acts as an intermediary, but typically offers no encryption. For everyday privacy, a reputable no-logs VPN is the recommended approach.
A Virtual Private Network (VPN) creates an encrypted tunnel between your device and a remote server. Benefits include: hiding your real IP, encrypting all traffic (protecting against man-in-the-middle attacks on public Wi-Fi), bypassing geo-restrictions, preventing ISP throttling, and protecting against surveillance. Choose a VPN with a verified no-logs policy, kill switch, and DNS leak protection.
Most home users have a dynamic IP — it changes periodically when your router reconnects to the ISP. Businesses and some ISP plans offer static IPs that never change. On mobile networks, IPs change frequently as you move between towers. You can check if your IP changed by refreshing this page.
No — IP geolocation is approximate. It typically resolves to your city or region, not your exact address. The data comes from ISP registration records and geolocation databases, which are often several miles off. Precise location requires court-ordered ISP subpoenas, device GPS, or social engineering — not just an IP address.
A public IP is the address your router presents to the internet — the one shown on this page. A private IP is the local address assigned to your device within your home network (e.g., 192.168.1.x, 10.0.0.x). Private IPs are not directly accessible from the internet and are shared within your LAN through NAT (Network Address Translation).
An Internet Service Provider (ISP) is the company that gives you internet access (e.g., Comcast, AT&T, BT). Without a VPN, your ISP can see every website you visit, when you connect, and how much data you use. In many countries, ISPs are legally required to retain this data for months or years. Using a VPN encrypts your traffic so the ISP only sees encrypted data to the VPN server.
IP blacklisting occurs when your IP address is added to a blocklist used by email servers, websites, or security systems — usually due to spam activity, hacking attempts, or abuse from your network. If your IP is shared (common with residential ISPs), a previous user's behavior can blacklist it. Check services like MXToolbox, Spamhaus, or AbuseIPDB. If blacklisted, contact your ISP to request a new IP.
No — a VPN significantly improves privacy but does not make you fully anonymous. Your VPN provider can still see your traffic. Browser fingerprinting, cookies, logged-in accounts, and behavioral tracking can still identify you. For stronger anonymity, combine a no-logs VPN with a privacy-focused browser, ad-blockers, and avoiding signing into personal accounts.