IP Address, VPN & Network Security Blog

Free guides on IP addresses, VPNs, DNS, hosting, CGNAT, WiFi, and online privacy - 109 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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Troubleshooting guides walk through port forwarding, CGNAT, wrong IP location, VPN leaks, and more with step-by-step checks.

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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 readUpdated Oct 21, 202655 views

iTopVPN Review (2026): Free Tier, Pricing, and Real-World Fit

iTopVPN review for 2026 covering free-plan limits, low promo pricing, split tunneling, privacy claims, and what to verify before you pay.

10 min readUpdated Oct 26, 2026838 views

Mullvad VPN Review (2026): Maximum Privacy, Minimum Data

Mullvad VPN review for 2026 covering numbered accounts, cash payments, WireGuard, DAITA, and who this privacy-first VPN actually fits.

9 min readUpdated Oct 19, 2026231 views

Private Internet Access Review (2026): Privacy and Value

Private Internet Access review for 2026 covering open-source apps, MACE, split tunneling, pricing, and whether PIA still fits power users.

9 min readUpdated Oct 19, 2026381 views

PrivateVPN Review (2026): Simplicity and Streaming

PrivateVPN review for 2026 covering ease of use, privacy basics, network tradeoffs, pricing, and who should consider it.

8 min readUpdated Oct 21, 2026335 views

Proton VPN Free Plan (2026): Limits Before You Install

Proton VPN Free has unlimited data and servers in 10 countries, but only one device and no P2P, streaming servers or Secure Core. See every limit.

9 min readUpdated Oct 24, 20261,210 views

PureVPN Review (2026): Features, Value, and Who It Fits

Practical PureVPN review for 2026 with feature highlights, tradeoffs, and a technical checklist to validate real-world setup.

9 min readUpdated Oct 24, 2026101 views

Surfshark Review (2026): Unlimited Devices, Pros, and Tradeoffs

Detailed Surfshark review for 2026 covering unlimited-device value, feature set, performance checks, and who should choose it.

9 min readUpdated Oct 22, 20261,651 views

TunnelBear Cure53 Audit: 47 + 42 Days (2026 Review)

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.

8 min readUpdated Oct 21, 202698 views

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Showing 55-63 of 109 articles