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网段有错 #45

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im1989 opened this issue Nov 1, 2024 · 1 comment
Open

网段有错 #45

im1989 opened this issue Nov 1, 2024 · 1 comment

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@im1989
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im1989 commented Nov 1, 2024

网段有漏
121.46.0.0/20

需要变成这个段
121.46.0.0/18

@gaoyifan
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gaoyifan commented Nov 1, 2024

感谢反馈!

从当前BGP宣告情况来看,缺少 121.46.0.0/18 这个范围的宣告。因此自动化方式没有收集到这个段。
实际上,由于缺少BGP路由,互联网上是访问不到 121.46.16.0-121.46.63.255 这段范围的(至少在海外BGP数据观测点来看是这样)。

要解决这个问题,一种方式是人工维护一个例外集合,不过这种方式在IP用途发生变化时很难追踪和维护。另一种方式是结合更多来源的数据综合做自动化分类,比如 whois。但无论哪种都会变成一个需要投入相当精力的事情。

这个 Issue 保持开放状态,如果有人愿意接手开发更完备的分类方案,或是有不同的思路,可在本 Issue 下讨论。

refer:
https://bgp.he.net/ip/121.46.0.0#_ipinfo
https://whois.ipip.net/cidr/121.46.0.0/32

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