IPAddress IPAddress IPAddress IPAddress Class

定義

インターネット プロトコル (IP: Internet Protocol) アドレスを提供します。Provides an Internet Protocol (IP) address.

public ref class IPAddress
[System.Serializable]
public class IPAddress
type IPAddress = class
Public Class IPAddress
継承
IPAddressIPAddressIPAddressIPAddress
属性

次のコード例はファミリのアドレスを取得するサーバーを照会する方法を示し、IP アドレスがサポートしています。The following code example shows how to query a server to obtain the family addresses and the IP addresses it supports.

// This program shows how to use the IPAddress class to obtain a server 
// IP addressess and related information.
#using <System.dll>

using namespace System;
using namespace System::Net;
using namespace System::Net::Sockets;
using namespace System::Text::RegularExpressions;

/**
* The IPAddresses method obtains the selected server IP address information.
* It then displays the type of address family supported by the server and its 
* IP address in standard and byte format.
**/
void IPAddresses( String^ server )
{
   try
   {
      System::Text::ASCIIEncoding^ ASCII = gcnew System::Text::ASCIIEncoding;
      
      // Get server related information.
      IPHostEntry^ heserver = Dns::GetHostEntry( server );
      
      // Loop on the AddressList
      System::Collections::IEnumerator^ myEnum = heserver->AddressList->GetEnumerator();
      while ( myEnum->MoveNext() )
      {
         IPAddress^ curAdd = safe_cast<IPAddress^>(myEnum->Current);
         
         // Display the type of address family supported by the server. If the
         // server is IPv6-enabled this value is: InterNetworkV6. If the server
         // is also IPv4-enabled there will be an additional value of InterNetwork.
         Console::WriteLine( "AddressFamily: {0}", curAdd->AddressFamily );
         
         // Display the ScopeId property in case of IPV6 addresses.
         if ( curAdd->AddressFamily.ToString() == ProtocolFamily::InterNetworkV6.ToString() )
                  Console::WriteLine( "Scope Id: {0}", curAdd->ScopeId );

         // Display the server IP address in the standard format. In 
         // IPv4 the format will be dotted-quad notation, in IPv6 it will be
         // in in colon-hexadecimal notation.
         Console::WriteLine( "Address: {0}", curAdd );
         
         // Display the server IP address in byte format.
         Console::Write( "AddressBytes: " );
         
         array<Byte>^bytes = curAdd->GetAddressBytes();
         for ( int i = 0; i < bytes->Length; i++ )
         {
            Console::Write( bytes[ i ] );

         }

         Console::WriteLine( "\r\n" );
      }
   }
   catch ( Exception^ e ) 
   {
      Console::WriteLine( "[DoResolve] Exception: {0}", e );
   }

}


// This IPAddressAdditionalInfo displays additional server address information.
void IPAddressAdditionalInfo()
{
   try
   {
      // Display the flags that show if the server supports IPv4 or IPv6
      // address schemas.
      Console::WriteLine( "\r\nSupportsIPv4: {0}", Socket::SupportsIPv4 );
      Console::WriteLine( "SupportsIPv6: {0}", Socket::SupportsIPv6 );
      if ( Socket::SupportsIPv6 )
      {
         // Display the server Any address. This IP address indicates that the server 
         // should listen for client activity on all network interfaces. 
         Console::WriteLine( "\r\nIPv6Any: {0}", IPAddress::IPv6Any );

         // Display the server loopback address. 
         Console::WriteLine( "IPv6Loopback: {0}", IPAddress::IPv6Loopback );

         // Used during autoconfiguration first phase.
         Console::WriteLine( "IPv6None: {0}", IPAddress::IPv6None );
         Console::WriteLine( "IsLoopback(IPv6Loopback): {0}", IPAddress::IsLoopback( IPAddress::IPv6Loopback ) );
      }
      Console::WriteLine( "IsLoopback(Loopback): {0}", IPAddress::IsLoopback( IPAddress::Loopback ) );
   }
   catch ( Exception^ e ) 
   {
      Console::WriteLine( "[IPAddresses] Exception: {0}", e );
   }

}

int main()
{
   array<String^>^args = Environment::GetCommandLineArgs();
   String^ server = nullptr;

   // Define a regular expression to parse user's input.
   // This is a security check. It allows only
   // alphanumeric input string between 2 to 40 character long.
   Regex^ rex = gcnew Regex( "^[a-zA-Z]\\w{1,39}$" );
   if ( args->Length < 2 )
   {
      // If no server name is passed as an argument to this program, use the current 
      // server name as default.
      server = Dns::GetHostName();
      Console::WriteLine( "Using current host: {0}", server );
   }
   else
   {
      server = args[ 1 ];
      if (  !(rex->Match(server))->Success )
      {
         Console::WriteLine( "Input string format not allowed." );
         return  -1;
      }
   }

   // Get the list of the addresses associated with the requested server.
   IPAddresses( server );

   // Get additonal address information.
   IPAddressAdditionalInfo();
}

// This program shows how to use the IPAddress class to obtain a server 
// IP addressess and related information.

using System;
using System.Net;
using System.Net.Sockets;
using System.Text.RegularExpressions;

namespace Mssc.Services.ConnectionManagement
{

  class TestIPAddress 
  {

    /**
      * The IPAddresses method obtains the selected server IP address information.
      * It then displays the type of address family supported by the server and its 
      * IP address in standard and byte format.
      **/
    private static void IPAddresses(string server) 
    {
      try 
      {
        System.Text.ASCIIEncoding ASCII = new System.Text.ASCIIEncoding();
  
        // Get server related information.
        IPHostEntry heserver = Dns.GetHostEntry(server);

        // Loop on the AddressList
        foreach (IPAddress curAdd in heserver.AddressList) 
        {


          // Display the type of address family supported by the server. If the
          // server is IPv6-enabled this value is: InterNetworkV6. 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());


          // Display the server IP address in the standard format. In 
          // IPv4 the format will be dotted-quad notation, in IPv6 it will be
          // in in colon-hexadecimal notation.
          Console.WriteLine("Address: " + curAdd.ToString());
        
          // Display the server IP address in byte format.
          Console.Write("AddressBytes: ");



          Byte[] bytes = curAdd.GetAddressBytes();
          for (int i = 0; i < bytes.Length; i++) 
          {
            Console.Write(bytes[i]);
          }                          

          Console.WriteLine("\r\n");

        }

      }
      catch (Exception e) 
      {
        Console.WriteLine("[DoResolve] Exception: " + e.ToString());
      }
    }

    // This IPAddressAdditionalInfo displays additional server address information.
    private static void IPAddressAdditionalInfo() 
    {
      try 
      {
        // Display the flags that show if the server supports IPv4 or IPv6
        // address schemas.
        Console.WriteLine("\r\nSupportsIPv4: " + Socket.SupportsIPv4);
        Console.WriteLine("SupportsIPv6: " + Socket.SupportsIPv6);

        if (Socket.SupportsIPv6)
        {
          // Display the server Any address. This IP address indicates that the server 
          // should listen for client activity on all network interfaces. 
          Console.WriteLine("\r\nIPv6Any: " + IPAddress.IPv6Any.ToString());

          // Display the server loopback address. 
          Console.WriteLine("IPv6Loopback: " + IPAddress.IPv6Loopback.ToString());
      
          // Used during autoconfiguration first phase.
          Console.WriteLine("IPv6None: " + IPAddress.IPv6None.ToString());
      
          Console.WriteLine("IsLoopback(IPv6Loopback): " + IPAddress.IsLoopback(IPAddress.IPv6Loopback));
        }
        Console.WriteLine("IsLoopback(Loopback): " + IPAddress.IsLoopback(IPAddress.Loopback));
      }
      catch (Exception e) 
      {
        Console.WriteLine("[IPAddresses] Exception: " + e.ToString());
      }
    }


    public static void Main(string[] args) 
    {
      string server = null;
    
      // Define a regular expression to parse user's input.
      // This is a security check. It allows only
      // alphanumeric input string between 2 to 40 character long.
      Regex rex = new Regex(@"^[a-zA-Z]\w{1,39}$");

      if (args.Length < 1)
      {
        // If no server name is passed as an argument to this program, use the current 
        // server name as default.
        server = Dns.GetHostName();
        Console.WriteLine("Using current host: " + server);
      }
      else
      {
        server = args[0];
        if (!(rex.Match(server)).Success)
        {
          Console.WriteLine("Input string format not allowed.");
          return;
        }
      }

      // Get the list of the addresses associated with the requested server.
      IPAddresses(server);
    
      // Get additonal address information.
      IPAddressAdditionalInfo();
    }

  }
}
' This program shows how to use the IPAddress class to obtain a server 
' IP addressess and related information.
Imports System.Net
Imports System.Net.Sockets
Imports System.Text.RegularExpressions
Imports Microsoft.VisualBasic


Namespace Mssc.Services.ConnectionManagement
  Module M_TestIPAddress

    Class TestIPAddress

      'The IPAddresses method obtains the selected server IP address information.
      'It then displays the type of address family supported by the server and 
      'its IP address in standard and byte format.
      Private Shared Sub IPAddresses(ByVal server As String)
        Try
          Dim ASCII As New System.Text.ASCIIEncoding()

          ' Get server related information.
          Dim heserver As IPHostEntry = Dns.Resolve(server)

          ' Loop on the AddressList
          Dim curAdd As IPAddress
          For Each curAdd In heserver.AddressList

            ' Display the type of address family supported by the server. If the
            ' server is IPv6-enabled this value is: InterNetworkV6. 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

            ' Display the server IP address in the standard format. In 
            ' IPv4 the format will be dotted-quad notation, in IPv6 it will be
            ' in in colon-hexadecimal notation.
            Console.WriteLine(("Address: " + curAdd.ToString()))

            ' Display the server IP address in byte format.
            Console.Write("AddressBytes: ")



            Dim bytes As [Byte]() = curAdd.GetAddressBytes()
            Dim i As Integer
            For i = 0 To bytes.Length - 1
              Console.Write(bytes(i))
            Next i
            Console.WriteLine(ControlChars.Cr + ControlChars.Lf)
          Next curAdd 

        Catch e As Exception
          Console.WriteLine(("[DoResolve] Exception: " + e.ToString()))
        End Try
      End Sub 'IPAddresses


      ' This IPAddressAdditionalInfo displays additional server address information.
      Private Shared Sub IPAddressAdditionalInfo()
        Try
          ' Display the flags that show if the server supports IPv4 or IPv6
          ' address schemas.
          Console.WriteLine((ControlChars.Cr + ControlChars.Lf + "SupportsIPv4: " + Socket.SupportsIPv4.ToString()))
          Console.WriteLine(("SupportsIPv6: " + Socket.SupportsIPv6.ToString()))

          If Socket.SupportsIPv6 Then
            ' Display the server Any address. This IP address indicates that the server 
            ' should listen for client activity on all network interfaces. 
            Console.WriteLine((ControlChars.Cr + ControlChars.Lf + "IPv6Any: " + IPAddress.IPv6Any.ToString()))

            ' Display the server loopback address. 
            Console.WriteLine(("IPv6Loopback: " + IPAddress.IPv6Loopback.ToString()))

            ' Used during autoconfiguration first phase.
            Console.WriteLine(("IPv6None: " + IPAddress.IPv6None.ToString()))

            Console.WriteLine(("IsLoopback(IPv6Loopback): " + IPAddress.IsLoopback(IPAddress.IPv6Loopback).ToString()))
          End If
          Console.WriteLine(("IsLoopback(Loopback): " + IPAddress.IsLoopback(IPAddress.Loopback).ToString()))
        Catch e As Exception
          Console.WriteLine(("[IPAddresses] Exception: " + e.ToString()))
        End Try
      End Sub 'IPAddressAdditionalInfo

      Public Shared Sub Main(ByVal args() As String)
        Dim server As String = Nothing

        ' Define a regular expression to parse user's input.
        ' This is a security check. It allows only
        ' alphanumeric input string between 2 to 40 character long.
        Dim rex As New Regex("^[a-zA-Z]\w{1,39}$")

        If args.Length < 1 Then
          ' If no server name is passed as an argument to this program, use the current 
          ' server name as default.
          server = Dns.GetHostName()
          Console.WriteLine(("Using current host: " + server))
        Else
          server = args(0)
          If Not rex.Match(server).Success Then
            Console.WriteLine("Input string format not allowed.")
            Return
          End If
        End If

        ' Get the list of the addresses associated with the requested server.
        IPAddresses(server)

        ' Get additonal address information.
        IPAddressAdditionalInfo()
      End Sub 'Main
    End Class 'TestIPAddress
  End Module
End Namespace

注釈

IPAddressクラスには、IP ネットワーク上のコンピューターのアドレスが含まれています。The IPAddress class contains the address of a computer on an IP network.

コンストラクター

IPAddress(Byte[]) IPAddress(Byte[]) IPAddress(Byte[]) IPAddress(Byte[])

IPAddress 配列として指定されたアドレスを使用して、Byte クラスの新しいインスタンスを初期化します。Initializes a new instance of the IPAddress class with the address specified as a Byte array.

IPAddress(Byte[], Int64) IPAddress(Byte[], Int64) IPAddress(Byte[], Int64) IPAddress(Byte[], Int64)

IPAddress 配列として指定されたアドレスおよび指定したスコープ ID を使用して、Byte クラスの新しいインスタンスを初期化します。Initializes a new instance of the IPAddress class with the address specified as a Byte array and the specified scope identifier.

IPAddress(Int64) IPAddress(Int64) IPAddress(Int64) IPAddress(Int64)

IPAddress として指定されたアドレスを使用して、Int64 クラスの新しいインスタンスを初期化します。Initializes a new instance of the IPAddress class with the address specified as an Int64.

IPAddress(ReadOnlySpan<Byte>) IPAddress(ReadOnlySpan<Byte>) IPAddress(ReadOnlySpan<Byte>) IPAddress(ReadOnlySpan<Byte>)
IPAddress(ReadOnlySpan<Byte>, Int64) IPAddress(ReadOnlySpan<Byte>, Int64) IPAddress(ReadOnlySpan<Byte>, Int64) IPAddress(ReadOnlySpan<Byte>, Int64)

フィールド

Any Any Any Any

IP アドレスを提供し、そのサーバーがすべてのネットワーク インターフェイスでクライアントによるネットワーク利用を待機する必要があることを示します。Provides an IP address that indicates that the server must listen for client activity on all network interfaces. このフィールドは読み取り専用です。This field is read-only.

Broadcast Broadcast Broadcast Broadcast

IP ブロードキャスト アドレスを提供します。Provides the IP broadcast address. このフィールドは読み取り専用です。This field is read-only.

IPv6Any IPv6Any IPv6Any IPv6Any

Bind(EndPoint) メソッドは、IPv6Any フィールドを使用して、Socket が、すべてのネットワーク インターフェイスでクライアントによるネットワーク利用を待機する必要があることを示します。The Bind(EndPoint) method uses the IPv6Any field to indicate that a Socket must listen for client activity on all network interfaces.

IPv6Loopback IPv6Loopback IPv6Loopback IPv6Loopback

IP ループバック アドレスを提供します。Provides the IP loopback address. このプロパティは読み取り専用です。This property is read-only.

IPv6None IPv6None IPv6None IPv6None

IP アドレスを提供し、ネットワーク インターフェイスを使用しないことを示します。Provides an IP address that indicates that no network interface should be used. このプロパティは読み取り専用です。This property is read-only.

Loopback Loopback Loopback Loopback

IP ループバック アドレスを提供します。Provides the IP loopback address. このフィールドは読み取り専用です。This field is read-only.

None None None None

IP アドレスを提供し、ネットワーク インターフェイスを使用しないことを示します。Provides an IP address that indicates that no network interface should be used. このフィールドは読み取り専用です。This field is read-only.

プロパティ

Address Address Address Address

インターネット プロトコル (IP) アドレス。An Internet Protocol (IP) address.

AddressFamily AddressFamily AddressFamily AddressFamily

IP アドレスのアドレス ファミリを取得します。Gets the address family of the IP address.

IsIPv4MappedToIPv6 IsIPv4MappedToIPv6 IsIPv4MappedToIPv6 IsIPv4MappedToIPv6

IP アドレスが IPv4 でマップされた IPv6 アドレスであるかどうかを取得します。Gets whether the IP address is an IPv4-mapped IPv6 address.

IsIPv6LinkLocal IsIPv6LinkLocal IsIPv6LinkLocal IsIPv6LinkLocal

アドレスが IPv6 リンクローカル アドレスであるかどうかを示す値を取得します。Gets whether the address is an IPv6 link local address.

IsIPv6Multicast IsIPv6Multicast IsIPv6Multicast IsIPv6Multicast

アドレスが IPv6 マルチキャスト グローバル アドレスであるかどうかを示す値を取得します。Gets whether the address is an IPv6 multicast global address.

IsIPv6SiteLocal IsIPv6SiteLocal IsIPv6SiteLocal IsIPv6SiteLocal

アドレスが IPv6 サイトローカル アドレスであるかどうかを示す値を取得します。Gets whether the address is an IPv6 site local address.

IsIPv6Teredo IsIPv6Teredo IsIPv6Teredo IsIPv6Teredo

アドレスが IPv6 Teredo アドレスであるかどうかを示す値を取得します。Gets whether the address is an IPv6 Teredo address.

ScopeId ScopeId ScopeId ScopeId

IPv6 アドレスのスコープ識別子を取得または設定します。Gets or sets the IPv6 address scope identifier.

メソッド

Equals(Object) Equals(Object) Equals(Object) Equals(Object)

2 つの IP アドレスを比較します。Compares two IP addresses.

GetAddressBytes() GetAddressBytes() GetAddressBytes() GetAddressBytes()

IPAddress のコピーをバイト配列として提供します。Provides a copy of the IPAddress as an array of bytes.

GetHashCode() GetHashCode() GetHashCode() GetHashCode()

IP アドレスのハッシュ値を返します。Returns a hash value for an IP address.

GetType() GetType() GetType() GetType()

現在のインスタンスの Type を取得します。Gets the Type of the current instance.

(Inherited from Object)
HostToNetworkOrder(Int16) HostToNetworkOrder(Int16) HostToNetworkOrder(Int16) HostToNetworkOrder(Int16)

short 値をホストのバイト順からネットワークのバイト順に変換します。Converts a short value from host byte order to network byte order.

HostToNetworkOrder(Int32) HostToNetworkOrder(Int32) HostToNetworkOrder(Int32) HostToNetworkOrder(Int32)

整数値をホストのバイト順からネットワークのバイト順に変換します。Converts an integer value from host byte order to network byte order.

HostToNetworkOrder(Int64) HostToNetworkOrder(Int64) HostToNetworkOrder(Int64) HostToNetworkOrder(Int64)

long 値をホストのバイト順からネットワークのバイト順に変換します。Converts a long value from host byte order to network byte order.

IsLoopback(IPAddress) IsLoopback(IPAddress) IsLoopback(IPAddress) IsLoopback(IPAddress)

指定した IP アドレスがループバック アドレスかどうかを示します。Indicates whether the specified IP address is the loopback address.

MapToIPv4() MapToIPv4() MapToIPv4() MapToIPv4()

IPAddress オブジェクトを IPv4 アドレスにマップします。Maps the IPAddress object to an IPv4 address.

MapToIPv6() MapToIPv6() MapToIPv6() MapToIPv6()

IPAddress オブジェクトを IPv6 アドレスにマップします。Maps the IPAddress object to an IPv6 address.

MemberwiseClone() MemberwiseClone() MemberwiseClone() MemberwiseClone()

現在の Object の簡易コピーを作成します。Creates a shallow copy of the current Object.

(Inherited from Object)
NetworkToHostOrder(Int16) NetworkToHostOrder(Int16) NetworkToHostOrder(Int16) NetworkToHostOrder(Int16)

short 値をネットワークのバイト順からホストのバイト順に変換します。Converts a short value from network byte order to host byte order.

NetworkToHostOrder(Int32) NetworkToHostOrder(Int32) NetworkToHostOrder(Int32) NetworkToHostOrder(Int32)

整数値をネットワークのバイト順からホストのバイト順に変換します。Converts an integer value from network byte order to host byte order.

NetworkToHostOrder(Int64) NetworkToHostOrder(Int64) NetworkToHostOrder(Int64) NetworkToHostOrder(Int64)

long 値をネットワークのバイト順からホストのバイト順に変換します。Converts a long value from network byte order to host byte order.

Parse(ReadOnlySpan<Char>) Parse(ReadOnlySpan<Char>) Parse(ReadOnlySpan<Char>) Parse(ReadOnlySpan<Char>)
Parse(String) Parse(String) Parse(String) Parse(String)

IP アドレス文字列を IPAddress インスタンスに変換します。Converts an IP address string to an IPAddress instance.

ToString() ToString() ToString() ToString()

インターネット アドレスを標準表記に変換します。Converts an Internet address to its standard notation.

TryFormat(Span<Char>, Int32) TryFormat(Span<Char>, Int32) TryFormat(Span<Char>, Int32) TryFormat(Span<Char>, Int32)
TryParse(ReadOnlySpan<Char>, IPAddress) TryParse(ReadOnlySpan<Char>, IPAddress) TryParse(ReadOnlySpan<Char>, IPAddress) TryParse(ReadOnlySpan<Char>, IPAddress)
TryParse(String, IPAddress) TryParse(String, IPAddress) TryParse(String, IPAddress) TryParse(String, IPAddress)

文字列が有効な IP アドレスであるかどうかを判断します。Determines whether a string is a valid IP address.

TryWriteBytes(Span<Byte>, Int32) TryWriteBytes(Span<Byte>, Int32) TryWriteBytes(Span<Byte>, Int32) TryWriteBytes(Span<Byte>, Int32)

適用対象