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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 "VPN" (27)

Are VPNs Legal? US State Laws and Age Rules (2026)

Are VPNs legal in 2026? The Utah VPN law, age-verification rules, where VPNs are banned, and what stays perfectly legal explained for normal users.

13 min read·June 2, 2026·20 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·April 26, 2026·511 views
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Surfshark vs NordVPN 2026: Cheap vs Premium Compared

Surfshark vs NordVPN for 2026. Pricing, unlimited device connections, streaming, audits, and whether the cheaper plan beats NordVPN for your use case.

9 min read·April 18, 2026·238 views
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Proton VPN vs Mullvad: Privacy, Price, Streaming

Proton VPN has a free tier, streaming, and port forwarding; Mullvad has anonymous accounts and flat EUR 5 pricing. Here is who should pick each.

10 min read·Updated May 5, 2026·96 views
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NordVPN vs ExpressVPN 2026: Pricing, Speed, Privacy Compared

Head-to-head NordVPN vs ExpressVPN for 2026: pricing, NordLynx vs Lightway speed, audits, streaming, apps, and which to pick by use case.

10 min read·April 18, 2026·166 views
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AI VPN Detection 2026: How It Finds VPNs

AI VPN detection combines IP reputation, ASN, TLS fingerprints, behavior, and location mismatch to catch VPNs old blocklists miss.

10 min read·Updated May 5, 2026·76 views
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Best VPN Comparison 2026: 9 VPNs Tested (Premium + Budget)

Head-to-head comparison of 9 VPNs in 2026: NordVPN, ExpressVPN, Surfshark, Proton, Mullvad, PrivadoVPN, hide.me, FastVPN, iTop VPN. Pricing, privacy, speed, streaming, and free plans.

22 min read·April 18, 2026·90 views
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NordVPN Review (2026): Features, Pros, Cons, and Who It Fits

Independent NordVPN review for 2026 with practical feature breakdown, tradeoffs, and a step-by-step checklist for testing VPN setup.

10 min read·Updated Apr 21, 2026·1,774 views
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PrivadoVPN Review (2026): Is It Worth Using?

Detailed PrivadoVPN review for 2026: free plan strengths, limits, upgrade criteria, and a practical checklist to verify privacy setup.

9 min read·Updated Apr 21, 2026·1,156 views
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Showing 1-9 of 27 articles