C# program to find client's IP address

First find the host name using Dns.GetHostName() method in C#-

String hostName = string.Empty;
hostName = Dns.GetHostName();
Console.WriteLine("Hostname: "+hostName);

Now, use the IPHostEntry.AddressList property to get the IP address-

IPHostEntry myIP = Dns.GetHostEntry(hostName);
IPAddress[] address = myIP.AddressList;

Example

Try the following code to display the IP address-

using System;
using System.Net;
class Program {
   static void Main() {
      String hostName = string.Empty;
      hostName = Dns.GetHostName();
      IPHostEntry myIP = Dns.GetHostEntry(hostName);
      IPAddress[] address = myIP.AddressList;
      for (int i = 0; i < address.Length; i++) {
         Console.WriteLine("IP Address {1} : ",address[i].ToString());
      }
      Console.ReadLine();
   }
}

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