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IPAddress.IsIPv4MappedToIPv6 Property

  • Reference

Definition

Namespace:
System.Net
Assemblies:
System.dll, System.Net.Primitives.dll
Assembly:
System.Net.Primitives.dll
Assembly:
System.dll
Assembly:
netstandard.dll
Source:
IPAddress.cs
Source:
IPAddress.cs
Source:
IPAddress.cs

Gets whether the IP address is an IPv4-mapped IPv6 address.

public:
 property bool IsIPv4MappedToIPv6 { bool get(); };
public bool IsIPv4MappedToIPv6 { get; }
member this.IsIPv4MappedToIPv6 : bool
Public ReadOnly Property IsIPv4MappedToIPv6 As Boolean

Property Value

Boolean

Returns Boolean.

true if the IP address is an IPv4-mapped IPv6 address; otherwise, false.

Remarks

Dual-stack sockets always require IPv6 addresses. The ability to interact with an IPv4 address requires the use of the IPv4-mapped IPv6 address format. Any IPv4 addresses must be represented in the IPv4-mapped IPv6 address format which enables an IPv6 only application to communicate with an IPv4 node. The IPv4-mapped IPv6 address format allows the IPv4 address of an IPv4 node to be represented as an IPv6 address. The IPv4 address is encoded into the low-order 32 bits of the IPv6 address, and the high-order 96 bits hold the fixed prefix 0:0:0:0:0:FFFF. The IPv4-mapped IPv6 address format is specified in RFC 4291. For more information, see www.ietf.org/rfc/rfc4291.txt.

Applies to