问题描述

我在本地网络上有一台计算机，位于 NAT 路由器后面.我有一些 192.168.0.x 地址，但我真的很想知道我的公共 IP 地址，而不是

I have a computer on the local network, behind a NAT router. I have some 192.168.0.x addresses, but I really want to know my public IP address, not something mentioned in

如何获取运行我的 C# 应用程序的服务器的 IP 地址?

或

如何在C#中获取机器的IP地址

我需要 C# 代码.

有可能吗?如果有，怎么做?

Is it possible? If so, how?

推荐答案

经过一番搜索，通过扩展我的需求，我发现这不仅可以获得 IP，还可以获得 GEO-location:

After some search, and by expanding my requirements, I found out that this will get me not only the IP, but GEO-location as well:

class GeoIp
{
    static public GeoIpData GetMy()
    {
        string url = "http://freegeoip.net/xml/";
        WebClient wc = new WebClient();
        wc.Proxy = null;
        MemoryStream ms = new MemoryStream(wc.DownloadData(url));
        XmlTextReader rdr = new XmlTextReader(url);
        XmlDocument doc = new XmlDocument();
        ms.Position = 0;
        doc.Load(ms);
        ms.Dispose();
        GeoIpData retval = new GeoIpData();
        foreach (XmlElement el in doc.ChildNodes[1].ChildNodes)
        {
            retval.KeyValue.Add(el.Name, el.InnerText);
        }
        return retval;
    }
}

返回 XML，因此键/值字典将按如下方式填充:

XML returned, and thus key/value dictionary will be filled as such:

<Response>
    <Ip>93.139.127.187</Ip>
    <CountryCode>HR</CountryCode>
    <CountryName>Croatia</CountryName>
    <RegionCode>16</RegionCode>
    <RegionName>Varazdinska</RegionName>
    <City>Varazdinske Toplice</City>
    <ZipCode/>
    <Latitude>46.2092</Latitude>
    <Longitude>16.4192</Longitude>
    <MetroCode/>
</Response>

为了方便，返回类:

class GeoIpData
{
    public GeoIpData()
    {
        KeyValue = new Dictionary<string, string>();
    }
    public Dictionary<string, string> KeyValue;
}

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