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用Google SpreadSheets来计算IP地址、子网及子网掩码

2009-11-16 19:38:13| 分类： Excel | 标签： |举报 |字号大中小订阅

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本文链接：http://oicu.cc.blog.163.com/blog/static/1230394712009101673813585/

用Excel来计算IP地址、子网及子网掩码的日志链接：

http://oicu.cc.blog.163.com/blog/static/123039471200910150324385/

Excel只能用vba来完成，用函数法有限制(DEC2BIN函数需要加载宏里的分析工具)，且过于繁琐。

而Google SpreadSheets完全用函数即可达到上面所要计算的结果。

不再累赘的贴公式，在下面的链接里查看，不需要登录Google账号，“视图-显示公式栏”即可查看公式。

在线表格示例查看(English)：

https://docs.google.com/spreadsheet/ccc?key=0AimywQVCI0KedGp6TGhIQTZjU2F0cm4xU1Jya0diYUE

另外，查找IP所属部门的问题如果用Excel的函数来实现也可以，只是步骤繁琐。

Excel中，把IP地址转为长整形数字的函数（作者bunker@newsmth.net，假设IP地址在A1）：

1000000000*left(a1,FIND(".",a1)-1)+1000000*left(right(a1,len(a1)-FIND(".",a1)),FIND(".",right(a1,len(a1)-FIND(".",a1)))-1)+1000*left(right(right(a1,len(a1)-FIND(".",a1)),len(right(a1,len(a1)-FIND(".",a1)))-FIND(".",right(a1,len(a1)-FIND(".",a1)))),FIND(".",right(right(a1,len(a1)-FIND(".",a1)),len(right(a1,len(a1)-FIND(".",a1)))-FIND(".",right(a1,len(a1)-FIND(".",a1)))))-1)+right(right(right(a1,len(a1)-FIND(".",a1)),len(right(a1,len(a1)-FIND(".",a1)))-FIND(".",right(a1,len(a1)-FIND(".",a1)))),len(right(right(a1,len(a1)-FIND(".",a1)),len(right(a1,len(a1)-FIND(".",a1)))-FIND(".",right(a1,len(a1)-FIND(".",a1)))))-FIND(".",right(right(a1,len(a1)-FIND(".",a1)),len(right(a1,len(a1)-FIND(".",a1)))-FIND(".",right(a1,len(a1)-FIND(".",a1))))))

1、把表二里的IP换成长整数
2、把部门表里的子网掩码去掉，IP也换成长整数，并且按照长整数的升序排列

用lookup函数找一下就行了。

如果改用Google SpreadSheets，只需下面这行即可达到上面那个长长的函数的结果：

=ArrayFormula(1*JOIN("",TEXT(SPLIT(A1, "."),"000")))

Linux/Windows命令行工具：http://jodies.de/ipcalc

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