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IPAddress.Loopback Field

.NET Framework 4.5

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

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

public static readonly IPAddress Loopback

Remarks

The Loopback field is equivalent to 127.0.0.1 in dotted-quad notation.

Examples

The following example prints the Loopback address to the console.

C++

public void PrintLoopbackAddress()
{
  // Gets the IP loopback address and converts it to a string.
  String IpAddressString = IPAddress.Loopback.ToString();
  Console.WriteLine("Loopback IP address : " + IpAddressString);
}

Version Information

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Platforms

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.

Reference

IPAddress Class

System.Net Namespace

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