You can change your Form_Load code a little bit to get it done.
vb Code:
Private Sub Form_Load()
Dim Ban As String
Ban = Inet1.OpenURL("http://www.website.com/ban.txt")
Dim arr() As String
Dim i As Integer
Dim flag As Boolean
flag = False
arr = Split(Ban, vbNewLine)
lblIP.Caption = WinsockControl.LocalIP
For i = LBound(arr) To UBound(arr)
If flag = True Then Exit For
If WinsockControl.LocalIP = CStr(arr(i)) Then
flag = True
End If
Next
If flag = True Then
cmdBegin.Enabled = False
lblIP.ForeColor = vbRed
Else
cmdBegin.Enabled = True
lblIP.ForeColor = vbGreen
End If
End Sub
Hope it helps you!!