CGN Shared Address Space

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By Pank on June 6, 2013 1:47 AM 0 Vote 0 Votes

100.64.0.0/10
Range 100.64.0.0-100.127.255.255 (4194304)
RFC 6598 所指的這一段 IP, 是給 ISP 使用的 Private IP, 叫 Carrier-grade NAT (CGN)
和 RFC 1918 一樣, 都是 NAT 所使用的位址, 只是一個是 ISP 用, 一個是 CPE 用
為了避免和 RFC 1918 的區段有衝突, 才定義了另一段位址給 ISP 用
中華電信及台灣大哥大3G網路已開始使用

ref. ISP 架設 NAT 解決 IPv4 不夠的問題

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