Blog

Privacy, security, and how the internet works.

Static vs Dynamic IP for Home Internet: When Is Static Worth It?

·6 min read

Should you pay for a static IP on your home broadband plan? What static vs dynamic means at signup, when remote access and allowlists make static useful, what you still do not get, and how CGNAT and IPv4 scarcity change the decision.

Networking

What Is an ISP Number? ASN vs Account Number

·6 min read

People searching 'what is my ISP number' usually mean the account ID on the bill — not the ASN in IP tools. How to tell account number, ISP name, and ASN apart, and where to find each.

Networking

How to Tell If You're Behind CGNAT

·6 min read

A step-by-step check to see if your ISP put you behind CGNAT: compare router WAN to your public IP, read Shared Address Space clues, rule out double NAT, and know when to ask the ISP.

Networking

DNS over HTTPS for Normal Users

·6 min read

What DNS over HTTPS (DoH) changes vs plain DNS, what it does not hide (you still have a public IP), when it helps, and common pitfalls for everyday browsing.

Networking

How to Find Your Public IP Address

·6 min read

Simple ways a normal person can find the public IP address the internet sees right now: a web check, phone data vs Wi‑Fi, and what to ignore in system settings.

Networking

WHOIS Lookup for Normal Users: What You Learn and What You Don't

·6 min read

A domain WHOIS lookup shows public registration data such as registrar, dates, and nameservers. It does not prove who runs the website, and it is not an IP or ISP lookup.

Networking

What Does an IP Speed Test Measure?

·6 min read

An IP speed test measures download, upload, and latency for one path — not a grade for your IP address. What the three numbers mean, and what they do not prove.

Networking

Find the ISP for Any IP Address (Lookup Guide)

·6 min read

Given an IP from a log, ticket, game, or server, look up which ISP or network owns it. How to use ISP and IP lookup tools, what ASN means, and why the name may not match a retail brand.

Networking

WebRTC IP Leak Basics for Normal Users

·7 min read

A WebRTC IP leak means your browser may expose local and public connection candidates via peer APIs — different from a simple homepage IP check.

Privacy

How Accurate Is IP Geolocation?

·6 min read

IP geolocation is often fine at city or region level and almost never street-accurate. How GeoIP databases work, why VPN and CGNAT skew results, and what FindMyIP actually shows.

Networking

What Is an ASN? The Network Number Behind Your ISP

·6 min read

ASN (Autonomous System Number) is the routing ID behind your ISP name. What AS3303 or AS7922 means, why tools show it, and when normal users should care.

Networking

Does Your IP Address Change?

·6 min read

Does your IP address change? Often yes. DHCP leases, router reboots, and ISP pools can assign a new public IP. A static home plan is the exception.

Networking

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