Finding IP address of localhost

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VB

ASP.NET

Hi friends,

How do I find the ipaddress of a localhost like 122.164.97.87.?

Posted 8-Dec-10 21:34pm

ramuksasi

Updated 8-Dec-10 22:35pm

Dalek Dave

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Rajesh Anuhya 9-Dec-10 3:35am

can you explain it little bit more.., Normally localhost IP is 127.0.0.1

Dalek Dave 9-Dec-10 4:35am

Minor Edit for Readability.

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The.Z · Answer 1 · 2010-12-08T22:30:00

Hi.
Do you want to know your own IP or form an other computer?
For this case i use this code:

VB

Imports system.net
Public Shared Function GetIP(Optional ByVal computer As String = "") As ArrayList
    Dim computername As String
    Dim host As IPHostEntry
    Dim hostadresses() As IPAddress
    Dim i As Integer = 0
    Dim IPs As ArrayList = New ArrayList

    If computer = String.Empty Then
        computername = Dns.GetHostName()
    Else
        computername = computer
    End If

    host = Dns.GetHostEntry(computername)
    hostadresses = host.AddressList()
    For i = 0 To hostadresses.GetLength(0) - 1
        IPs.Add(hostadresses(i).ToString())
    Next

    Return IPs
End Function

If you leave the Optional Byval computer empty, you will get your own IP-Adress.
If the DNS-Name of an other computer is known -> you can get the IP.
The Function returns the Ip-Adresses in an ArrayList.

I hope I can help with this code-sample :cool:

Regards,
Z

CPallini · Answer 2 · 2010-12-08T21:42:00

See the following Codeproject's article (I know it is C#, but translation to VB.NET should be straightforward): "How To Get IP Address Of A Machine"[^].

P.S.: Make sure to check out the following remark in the article's follow up:
http://www.codeproject.com/Messages/3479471/Re-My-vote-of-1.aspx[^].

:)

Rupa1 · Answer 3 · 2010-12-08T23:06:00

add name space System.net

after place bellow code

C#

public void UseDNS()
{
   string hostName = Dns.GetHostName();
   Console.WriteLine("Host Name = " + hostName);
   IPHostEntry local = Dns.GetHostByName(hostName);
   foreach(IPAddress ipaddress in local.AddressList)
   {
      Console.WriteLine("IPAddress = " + ipaddress.ToString());
   }
}

Finding IP address of localhost

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