How to Fix IP Address Conflicts on Your Local Network
A clear, step-by-step guide to identifying and resolving IP address conflicts on home and office networks, with fixes for Windows, macOS, Linux and your router.
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FastIPInfo Blog
IP, networking & privacy, explained
Practical, jargon-light guides on IP addresses, online privacy, network troubleshooting and security — from the team behind the tools.
IPv4 vs IPv6: The Privacy Implications You Should Know
IPv6 changes more than address length — it changes how trackable you are. Compare IPv4 and IPv6 privacy, learn about Privacy Extensions, and how to stay anonymous.
Read article →Website Tracking Beyond Cookies: Fingerprinting and Friends
Cookies are dying, but tracking isn't. Learn how browser fingerprinting, supercookies, ETags and other cookieless techniques follow you — and how to defend against them.
Read article →Understanding DNS Leaks and How to Prevent Them
A DNS leak can expose every website you visit even behind a VPN. Learn what causes DNS leaks, how to test for them, and concrete steps to plug them on any device.
Read article →Mobile IP Tracking: How Your Smartphone Reveals Your Location
Your phone leaks location through far more than GPS. Understand mobile IP tracking, carrier-grade NAT, Wi-Fi and MAC-based location, and how to reduce your footprint.
Read article →Advanced Router Settings to Optimise Speed and Security
Go beyond the defaults. A practical guide to the router settings that actually matter — channels, QoS, DNS, firmware, WPA3, guest networks and more — for faster, safer Wi-Fi.
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