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IPAddress.IPv6Loopback Field

Provides the IP loopback address. This property is read-only.

Namespace:  System.Net
Assembly:  System (in System.dll)

public static readonly IPAddress IPv6Loopback

The IPv6Loopback field is equivalent to 0:0:0:0:0:0:0:1 in colon-hexadecimal notation, or to ::1 in compact notation.

The following code example displays the value of the current host's loopback address in standard compressed format.

// This method displays the value of the current host loopback address in   
// standard compressed format.  
private static void displayIPv6LoopBackAddress()
    // Get the loopback address.
    IPAddress loopBack = IPAddress.IPv6Loopback;

    // Transform the loop-back address to a string using the overladed 
    // ToString() method. Note that the resulting string is in the compact  
    // form: "::1".
    string ipv6LoopBack = loopBack.ToString();
    Console.WriteLine("The IPv6 Loopback address is: " + ipv6LoopBack);
  catch (Exception e) 
    Console.WriteLine("[displayIPv6LoopBackAddress] Exception: " + e.ToString());

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0, 1.1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone Silverlight 8.1, Windows Phone Silverlight 8

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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