如何判断一个IP地址是否属于一个国家 [英] How to determine if an IP address belongs to a country

问题描述

我将如何使用 c# 确定特定 IP 地址来自哪个国家/地区.我需要使用它来检查连接是否来自特定国家/地区.

How would i determine the country that a spcific IP address is originating from using c#. I need to use this to check if connections originate from a specific country.

推荐答案

您可以在您的项目中使用此 SQL 数据来确定:IP 地址地理定位 SQL 数据库.下载该数据并将其导入您的数据库以在本地运行检查.

You can use this SQL data in your project to determine that: IP address geolocation SQL database. Download that data and import it into your database to run checks locally.

或者您可以使用他们的免费 API，该 API 返回包含国家代码和国家名称的 XML.您将使用要检查的 IP 地址向以下 URL 发出请求，如本例所示:

Or you can use their free API that returns XML containing the country code and country name. You'd make a request to the following URL with the IP address you wanted to check, as seen in this example:

http://ipinfodb.com/ip_query_country.php?ip=74.125.45.100

返回:

<Response>
<Ip>74.125.45.100</Ip>
<Status>OK</Status>
<CountryCode>US</CountryCode>
<CountryName>United States</CountryName>
</Response>

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