请问怎么解析 APNIC 官网每日更新的中国大陆 IP 池规则 - V2EX
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Foxkeh
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V2EX    问与答

请问怎么解析 APNIC 官网每日更新的中国大陆 IP 池规则

  •  
  •   Foxkeh 2024-08-18 19:05:09 +08:00 1186 次点击
    这是一个创建于 464 天前的主题,其中的信息可能已经有所发展或是发生改变。
    比如今天的
    https://ftp.apnic.net/stats/apnic/2024/delegated-apnic-20240817.gz
    或者
    https://ftp.apnic.net/stats/apnic/2024/delegated-apnic-extended-20240817.gz

    解压后,这一行
    apnic|CN|ipv4|120.54.0.0|131072|20080319|allocated
    是不是表示从 120.54.0.0 开始的连续 131072 个 IP 都是属于中国大陆的?

    还有 ipv6 的部分这个规则是啥意思?
    apnic|CN|ipv6|2001:250::|35|20000426|allocated
    3 条回复    2024-08-18 22:33:26 +08:00
    xupefei
        1
    xupefei  
       2024-08-18 19:10:17 +08:00   1
    131072 是/17 ,这行说的是 120.54.0.0/17 是分配给大陆的。
    IPv6 那行是 2001:250::/35 。
    cnrting
        2
    cnrting  
       2024-08-18 19:25:17 +08:00 via iPhone   1
    cat delegated-apnic-latest | awk -F\| '/CN\|ipv4/ { printf("%s/%d\n", $4, 32-log($5)/log(2)) }' >cn.txt
    alect
        3
    alect  
       2024-08-18 22:33:26 +08:00   1
    可以用 Chnroute
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