Donate
Donate

IP Address, VPN & Network Security Blog

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

New to IP Trackers?

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

What is an IP address?How VPNs workCheck my IP now

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.

Search articlesAuto-filters after 3+ characters
Quick filters
AllVPNDNSIP AddressASNCGNATHostingRouterPrivacyWHOISWiFiBlacklist
Sort by

Best Next.js Hosting 2026: 10 Providers Compared

Compare the best Next.js hosting options for 2026 with honest tradeoffs on pricing, SSR support, edge deployment, Docker setup, and post-deploy verification.

12 min read·Updated Sep 4, 2026·197 views
Read Article

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, 2026·1,815 views
Read Article

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, 2026·1,186 views
Read Article

CyberGhost VPN Review (2026): Streaming, Servers, and Value

CyberGhost VPN review for 2026 with streaming server profiles, NoSpy servers, pricing breakdown, and a step-by-step VPN verification checklist.

9 min read·Updated Apr 21, 2026·411 views
Read Article

ExpressVPN Review (2026): Speed, Privacy, and Who It Fits

Independent ExpressVPN review for 2026 covering Lightway protocol, TrustedServer, streaming performance, and a practical VPN verification checklist.

9 min read·Updated Apr 21, 2026·879 views
Read Article

FastVPN Review (2026): Pricing, Privacy, and Value

FastVPN review for 2026 covering budget pricing, privacy basics, usability, and what to verify before you rely on it daily.

8 min read·Updated Apr 21, 2026·803 views
Read Article

hide.me VPN Review (2026): Privacy, Features, and Real-World Fit

Practical hide.me VPN review for 2026 covering protocol support, privacy features, performance considerations, and user fit.

9 min read·Updated Apr 21, 2026·1,304 views
Read Article

iProVPN Review (2026): Cheap Pricing, Core Features, and Fit

iProVPN review for 2026 covering cheap long-term pricing, core security features, performance tradeoffs, and who it actually fits.

8 min read·Updated Apr 21, 2026·356 views
Read Article

IPVanish Review (2026): Unlimited Connections and Self-Owned Servers

IPVanish review for 2026 covering unlimited device connections, self-owned server infrastructure, SOCKS5 proxy, and Fire TV support.

8 min read·Updated Apr 21, 2026·43 views
Read Article
Showing 37-45 of 99 articles

Done reading? Run a live check.

Every diagnostic is free - no account needed. See what websites actually learn about your connection right now.

My IP addressIPv4 + IPv6, ISP, ASNDNS leak testCheck VPN DNS routingWebRTC leak testBrowser IP exposureBlacklist checkIs my IP blacklisted?

Free diagnostic tools

Most-read articles and reviews