How to get exact client machine or user log machine ip address in C# ?

See more:

C#

MVC4

I have tried with all google search logics but there is no exact solution
getting different ip addresses
How to get exact ip address like which is displyed in ipcofig ip4 ip address in client machine or user logged in machine


host ip address ex: 123:23:0;

user 1 ip address ex: 23:45;
user 2 ip address ex : 43:56;

i want same user ip addresses like 23:45 , 43:56 that should be display in ipconfig /all ipaddresses if we check

What I have tried:

I have tried but getting different ip address.

string clientIPAddress = string.Empty;
            try
            {
                if (null == HttpContext.Current || null == HttpContext.Current.Request)
                    return null;

               
                var request = HttpContext.Current.Request;
                var forwards = request.Headers.Get("X-Forwarded-For");
                if (!string.IsNullOrEmpty(forwards))
                {
                    var values = forwards.Split(HEADER_SEPARATOR, 2);
                    return values[0];
                }

                /*else*/
                clientIPAddress=  request.UserHostAddress;
            }