System Net VB.Net by API

Imports System.Net
Imports System.Net.Sockets
Public Class Tester
    Public Shared Sub Main
        Dim strHostName As String
        Try
            strHostName = Dns.GetHostByAddress("68.129.2.123").HostName
            Console.WriteLine(strHostName)
        Catch exfe As FormatException
            Console.WriteLine(exfe.Message)
        Catch exse As SocketException
            Console.WriteLine(exse.Message)
        End Try
    End Sub
End Class