This documentation is archived and is not being maintained.

IPAddress.AddressFamily Property

Gets the address family of the IP address.

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

Public ReadOnly Property AddressFamily As AddressFamily

Property Value

Type: System.Net.Sockets.AddressFamily
Returns InterNetwork for IPv4 or InterNetworkV6 for IPv6.

Refer to the example in the IPAddress class topic.

' Display the type of address family supported by the server. If the
' server is IPv6-enabled this value is: InternNetworkV6. If the server
' is also IPv4-enabled there will be an additional value of InterNetwork.
Console.WriteLine(("AddressFamily: " + curAdd.AddressFamily.ToString()))

' Display the ScopeId property in case of IPV6 addresses.
If curAdd.AddressFamily.ToString() = ProtocolFamily.InterNetworkV6.ToString() Then
  Console.WriteLine(("Scope Id: " + curAdd.ScopeId.ToString()))
End If

.NET Framework

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

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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