UserHostAddress Property

HttpListenerRequest.UserHostAddress Property

Gets the server IP address and port number to which the request is directed.

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

public function get UserHostAddress () : String

Property Value

Type: System.String
A String that contains the host address information.

The information returned by this property is also available in the LocalEndPoint property value.

The following code example displays the value of this property.

public static void ShowRequestProperties1 (HttpListenerRequest request)
    // Display the MIME types that can be used in the response.
    string[] types = request.AcceptTypes;
    if (types != null)
        Console.WriteLine("Acceptable MIME types:");
        foreach (string s in types)
    // Display the language preferences for the response.
    types = request.UserLanguages;
    if (types != null)
        Console.WriteLine("Acceptable natural languages:");
        foreach (string l in types)

    // Display the URL used by the client.
    Console.WriteLine("URL: {0}", request.Url.OriginalString);
    Console.WriteLine("Raw URL: {0}", request.RawUrl);
    Console.WriteLine("Query: {0}", request.QueryString);

    // Display the referring URI.
    Console.WriteLine("Referred by: {0}", request.UrlReferrer);

    //Display the HTTP method.
    Console.WriteLine("HTTP Method: {0}", request.HttpMethod);
    //Display the host information specified by the client;
    Console.WriteLine("Host name: {0}", request.UserHostName);
    Console.WriteLine("Host address: {0}", request.UserHostAddress);
    Console.WriteLine("User agent: {0}", request.UserAgent);

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

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

.NET Framework

Supported in: 3.5, 3.0, 2.0

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