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IP Address, VPN & Network Security Blog

Free guides on IP addresses, VPNs, DNS, hosting, CGNAT, WiFi, and online privacy - 88 articles

New to IP Trackers?

Start with the core guides, then use the free tools to run live checks on your own connection.

How to get the most from this blog

Every article is paired with a live tool so the theory turns into real diagnostics immediately. Troubleshooting a VPN? Read the leak guide first, then run DNS and WebRTC checks. Investigating an unfamiliar IP? Pair the ASN and WHOIS articles with the lookup tools. Start with a concept, finish with a verified result.

Understand the basics

Plain-English explainers on IPs, DNS, ASN, CGNAT, VPNs, WiFi, and networking - no jargon assumed.

Verify with live tools

Each article links to the diagnostic tool that proves the point, so you move from reading to real data in one session.

Fix real problems

Troubleshooting guides walk through port forwarding, CGNAT, wrong IP location, VPN leaks, and more with step-by-step checks.

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Showing results for "WiFi" (2)

What Is Fiber Optic Internet? How Fiber Works

Learn how fiber optic internet works, why it is fast, and how fiber compares with WiFi, cable, and other network access technologies.

11 min read·April 5, 2026·28 views
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What Is WiFi? How Wireless Networks Work Explained

Learn how WiFi works, the difference between WiFi and internet, WiFi standards from WiFi 4 to WiFi 7, how to set up and secure your wireless network, and troubleshooting tips.

11 min read·April 4, 2026·237 views
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