Liangxu Linux

Apr 25, 2022 · Fundamentals

Why IPv4 Isn’t Exhausted Yet: A Deep Dive into Global IP Allocation

This article explains how IPv4 addresses are structured, why the world hasn't run out of them despite early warnings, how the IANA‑RIR‑ISP hierarchy distributes them, and provides detailed statistics on China's IPv4 holdings and the challenges slowing IPv6 adoption.