How to read ip address from CSV file in VB.NET ?

Dim fileneme As String = file1.FileName
Dim filepath As String = Server.MapPath(".") & "\" & Session("userid")
Dim strConnString As String = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & filepath & ";Extended Properties=Text;"
                        Dim conn As New OleDbConnection(strConnString)

                        Try
                            conn.Open()
                            Dim cmd As New OleDbCommand("SELECT IPADDRESS FROM [" & fileneme & "]", conn)
                            Dim da As New OleDbDataAdapter()

                            da.SelectCommand = cmd

                            Dim dt As New DataTable()

                            da.Fill(dt)
                            da.Dispose()