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IPAddress.AddressFamily Property

Gets the address family of the IP address.

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

public AddressFamily AddressFamily { get; }

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())
            Console.WriteLine("Scope Id: " + curAdd.ScopeId.ToString());

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: Windows Phone Silverlight 8
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