有很多方法可以从计算机的IP地址得知计算机的位置，但是如果您决定使用命令行查找信息，您该如何进行呢？今天的超级用户问答有一些有用的建议，可以帮助读者找到他想要的信息。

今天的问答环节是由SuperUser提供的，SuperUser是Stack Exchange的一个分支，是一个由社区驱动的问答网站分组。

截图由保罗·芬威克（Flickr）提供。

问题

超级用户读者AlikElzin kilaka想知道如何使用命令行查找计算机的IP地址位置：

How do I find a computer’s internet (IP address) location using the command line? Would I use curl or wget, for example?

如何使用命令行查找计算机的IP地址位置？

答案

超级用户贡献者AlikElzin kilaka和Ben N为我们提供了答案。首先，AlikElzin kilaka：

There is a service (IPInfo) that can provide the results. You can invoke it using curl, for example:

• curl ipinfo.io

Result:

A specific IP’s info can also be requested:

• curl ipinfo.io/216.58.194.46

Result:

Source: How to look up the geographic location of an IP address from the command line

接着是Ben N的回答：

Since the question does not specify an operating system, this is how to get that same information with PowerShell’s curl (actually an alias of Invoke-WebRequest):

• (curl ipinfo.io).Content

Which produces a JSON string. To get the object that the JSON represents, use ConvertFrom-Json:

• curl ipinfo.io | ConvertFrom-Json

Since that is a PowerShell object, you can easily get specific fields from it. For example, this command gets just the external IP address as a string:

• (curl ipinfo.io | ConvertFrom-Json).ip

Note that the geographical information from this service is not super accurate, but it did locate me within 20 miles or so of my actual location and the ISP information seems to be reliable.

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