01.using System;
02.using System.Collections.Generic;
03.using System.Linq;
04.using System.Web;
05.
06.using System.Net;
07.
08./// <summary>
09./// Summary description for IPNetworking
10./// </summary>
11.public class IPNetworking
12.{
13. public static string GetIP4Address()
14. {
15. string IP4Address = String.Empty;
16.
17. foreach (IPAddress IPA in Dns.GetHostAddresses(HttpContext.Current.Request.UserHostAddress))
18. {
19. if (IPA.AddressFamily.ToString() == "InterNetwork")
20. {
21. IP4Address = IPA.ToString();
22. break;
23. }
24. }
25.
26. if (IP4Address != String.Empty)
27. {
28. return IP4Address;
29. }
30.
31. foreach (IPAddress IPA in Dns.GetHostAddresses(Dns.GetHostName()))
32. {
33. if (IPA.AddressFamily.ToString() == "InterNetwork")
34. {
35. IP4Address = IPA.ToString();
36. break;
37. }
38. }
39.
40. return IP4Address;
41. }
42.}
