TraceThatIP guides

Guides & articles

Plain-English guides to IP addresses, DNS, subnets, VPNs and online privacy, plus code examples for finding your IP with cURL, Python and JavaScript.

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2 articles

Networking9 Jan 20266 min read

Understand the difference between public and private IP addresses. Learn about NAT, private IP ranges, CGNAT, and how to check which type you have.

Networking2 Dec 20255 min read

Learn what IP addresses are, how they work, and why they matter. Covers IPv4 vs IPv6, public vs private IPs, and how to find yours.

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