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UnicastIPAddressInformation.PrefixOrigin Property

Gets a value that identifies the source of a unicast Internet Protocol (IP) address prefix.

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

public abstract PrefixOrigin PrefixOrigin { get; }

Property Value

Type: System.Net.NetworkInformation.PrefixOrigin
One of the PrefixOrigin values that identifies how the prefix information was obtained.

ExceptionCondition
PlatformNotSupportedException

This property is not valid on computers running operating systems earlier than Windows XP.

IP addresses are divided into two parts: the prefix and the suffix. The address prefix identifies the network portion of an IP address, and the address suffix identifies the host portion. Prefixes are assigned by global authorities, and suffixes are assigned by local system administrators.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

.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.

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