.net获取ip地址

/// 获得客户端IP
    ///
    /// <returns></returns>
    private string getIp()
    {
        // 穿过代理服务器取远程用户真实IP地址
        string Ip = string.Empty;
        if (Request.ServerVariables["HTTP_VIA"] != null)
        {
            if (Request.ServerVariables["HTTP_X_FORWARDED_FOR"] == null)
            {
                if (Request.ServerVariables["HTTP_CLIENT_IP"] != null)
                    Ip = Request.ServerVariables["HTTP_CLIENT_IP"].ToString();
                else
                    if (Request.ServerVariables["REMOTE_ADDR"] != null)
                        Ip = Request.ServerVariables["REMOTE_ADDR"].ToString();
                    else
                        Ip = "202.96.134.133";
            }
            else
                Ip = Request.ServerVariables["HTTP_X_FORWARDED_FOR"].ToString();
        }
        else if (Request.ServerVariables["REMOTE_ADDR"] != null)
        {
            Ip = Request.ServerVariables["REMOTE_ADDR"].ToString();
        }
        else
        {
            Ip = "202.96.134.133";
        }
        return Ip;
    }

//控制台应用程序

using System;
using System.Collections.Generic;
using System.Text;
using System.Net;
namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            string hostName = Dns.GetHostName(); //获取本机主机名
            Console.WriteLine("Local hostname: {0}", hostName);
            IPHostEntry myself = Dns.GetHostEntry(hostName);//获取本机ip地址信息
            foreach (IPAddress address in myself.AddressList)
            {
                Console.WriteLine("IP Address: {0}", address.ToString());
            }

        }
    }
}