Understand the basics
Plain-English explainers on IPs, DNS, ASN, CGNAT, VPNs, WiFi, and networking - no jargon assumed.
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.
Plain-English explainers on IPs, DNS, ASN, CGNAT, VPNs, WiFi, and networking - no jargon assumed.
Each article links to the diagnostic tool that proves the point, so you move from reading to real data in one session.
Troubleshooting guides walk through port forwarding, CGNAT, wrong IP location, VPN leaks, and more with step-by-step checks.
PrivateVPN review for 2026 covering ease of use, privacy basics, network tradeoffs, pricing, and who should consider it.
Read Article
Proton VPN free tier in 2026: unlimited data, 5 countries, 1 device, no P2P, no streaming, no Secure Core. Full review of free vs paid limits.
Read Article
Practical PureVPN review for 2026 with feature highlights, tradeoffs, and a technical checklist to validate real-world setup.
Read Article
Detailed Surfshark review for 2026 covering unlimited-device value, feature set, performance checks, and who should choose it.
Read Article
TunnelBear 5th annual Cure53 audit took 47 days; the 6th took 42 days. Full 2026 review of safety, speed, free tier, and who TunnelBear is right for.
Read Article
Urban VPN review for 2026 with practical checks for Urban VPN extension, Urban VPN Chrome extension behavior, and Reddit-driven concerns.
Read Article
Windscribe free plan 2026: 10 GB/month monthly data limit after email confirmation (2 GB without), 10 countries, R.O.B.E.R.T. DNS blocking, all official limits.
Read Article
Step-by-step guide to finding your public and private IP address on Android using Wi-Fi settings, Samsung One UI, and Termux.
Read Article
Step-by-step guide to finding your public and private IP address on iPhone using Wi-Fi settings, Safari, and cellular network checks.
Read Article