Hey Vbforums , i have a problem

Lets say i got a listview and that listview contains ip and open port
i wan't the form to search open ports and put them in the Right lisview/Column example :

messagebox("Ip Found")

here is what i have a.t.m

Code:
 Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        ListView1.Columns.Clear()
        ListView1.Items.Clear()

        ListView1.View = View.Details

        ListView1.Columns.Add("Ip Addres", 180, HorizontalAlignment.Left)
        ListView1.Columns.Add("Open Port", 70, HorizontalAlignment.Left)
        
    End Sub

  Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        Listview1.items.add(textbox1.text)
    End Sub
Can Some1 Help me out i feel like here