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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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Showing results for "Router" (13)

How to Find the IP Address on PS5, Xbox and Nintendo Switch

Find your console IP, reserve it in the router, and use it for port forwarding and DMZ rules, with the official paths for PS5, Xbox, and Switch.

10 min readOctober 2, 202692 views
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How to Find the IP Address of a Smart TV, Roku or Fire TV

Menu paths for Roku, Fire TV, Samsung, LG, Google TV, and Apple TV, the router method when the remote is gone, and how to keep the address stable.

10 min readOctober 2, 202680 views
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How to Find Your Printer's IP Address (HP, Canon, Epson, Brother)

Where HP, Canon, Epson, and Brother printers show their IP address, how to find it from your computer or router, and how to stop it changing.

10 min readOctober 2, 202641 views
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Why Does My IP Address Keep Changing? How to Stop It

DHCP leases, router reconnects, CGNAT, mobile data, VPNs, and IPv6 privacy addresses explained, plus how to keep the same public or local IP.

12 min readOctober 2, 2026151 views
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IP Address Conflict: Find and Fix the Cause

Find the cause of duplicate local IP addresses, fix Windows and Mac conflicts, and prevent printer and router DHCP collisions.

11 min readOctober 2, 202634 views
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Is My Internet Down? How to Tell If It's Your ISP

A five-minute check to tell a device, router or ISP problem apart: modem lights, ping tests, WAN status, outage reports, and what to do during an outage.

14 min readUpdated Oct 2, 2026107 views
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Router Login Guide: 192.168.1.1, 192.168.0.1, 10.0.0.1 and Default Gateway Basics

Learn how router login IPs work, how to find your default gateway, and how to troubleshoot common router admin login issues safely.

9 min readAugust 27, 2026805 views
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How to Reduce Ping: Fix Lag on PC, PS5 and Xbox

Reduce ping by testing your router first, then fix Wi-Fi, bufferbloat, background traffic, ISP routing, NAT issues, or server distance on PC and consoles.

20 min readUpdated Oct 6, 2026130 views
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CGNAT Port Forwarding Not Working? Fix It in 2026

Carrier-grade NAT prevents inbound connections before they reach your router. Check WAN vs public IP and fix it with public IPv4, IPv6, or a reverse tunnel.

12 min readUpdated Oct 26, 20261,006 views
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Showing 1-9 of 13 articles

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