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IP Address, VPN & Network Security Blog

Free guides on IP addresses, VPNs, DNS, hosting, CGNAT, WiFi, and online privacy - 99 articles

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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.

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

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Showing results for "IP Address" (19)

Google Is Using Your IP Address for Ads Now

From August 3, 2026 Google uses IP addresses to identify devices for ad measurement and personalization in the EEA, UK, and Switzerland. There is no opt-out yet. Here is what actually works.

13 min read·Updated Sep 6, 2026·100 views
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Public vs Private IP: Differences, Ranges and Examples

See how public and private IP addresses differ, which RFC 1918 ranges are private, how NAT connects them, and where to find each address.

13 min read·Updated Sep 4, 2026·1,320 views
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Understanding DNS: The Internet's Phone Book

Learn how the Domain Name System translates website names into IP addresses and why it's crucial for internet functionality.

10 min read·August 1, 2026·419 views
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Reserved IP Address Blocks Explained

Every reserved IPv4 and IPv6 block in one table, why private ranges collide over VPN, and what 169.254.169.254 and 240.0.0.0/4 actually mean.

16 min read·Updated Sep 4, 2026·172 views
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How to Protect Your IP Address from Tracking

Discover effective methods to protect your IP address and maintain online privacy using VPNs, Tor, and more.

12 min read·Updated Sep 6, 2026·532 views
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What is an IP Address and How Does it Work?

Learn the fundamentals of IP addresses, how they are assigned, and their role in internet communication.

8 min read·Updated Sep 6, 2026·1,126 views
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How to Find My IP Address on Android (Public & Private)

Step-by-step guide to finding your public and private IP address on Android using Wi-Fi settings, Samsung One UI, and Termux.

5 min read·Updated Sep 6, 2026·159 views
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How to Find My IP Address on iPhone (Public & Private)

Step-by-step guide to finding your public and private IP address on iPhone using Wi-Fi settings, Safari, and cellular network checks.

5 min read·Updated Sep 6, 2026·163 views
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How to Find My IP Address on Mac (Public & Private)

Step-by-step guide to finding your public and private IP address on macOS using System Settings, Terminal, and the Option-click shortcut.

6 min read·Updated Sep 6, 2026·96 views
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Showing 1-9 of 19 articles

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