Function Ping(strip)
Dim objshell, boolcode
Set objshell = CreateObject("Wscript.Shell")
boolcode = objshell.Run("ping -n 1 -w 1000 " & strip, 0, True)
If boolcode = 0 Then
    Ping = True
Else
    Ping = False
End If
End Function
Sub PingSystem()
Dim strip As String
Dim strPhoneNumber As String
Dim strMessage As String
Dim strPostData As String
Dim IE As Object

strPhoneNumber = Sheets("DATA").Cells(2, 1).Value

For introw = 2 To ActiveSheet.Cells(65536, 2).End(xlUp).Row
    strip = ActiveSheet.Cells(introw, 2).Value
    If Ping(strip) = True Then
        ActiveSheet.Cells(introw, 3).Interior.ColorIndex = 0
        ActiveSheet.Cells(introw, 3).Font.Color = RGB(0, 0, 0)
        ActiveSheet.Cells(introw, 3).Value = "Online"
        Application.Wait (Now + TimeValue("0:00:01"))
        ActiveSheet.Cells(introw, 3).Font.Color = RGB(0, 200, 0)
        
'Send Whatsapp Message
        strMessage = "Ping " & ActiveSheet.Cells(introw, 1).Value & " " & ActiveSheet.Cells(introw, 2).Value & " is Online"
        
'IE.navigate "whatsapp://send?phone=phone_number&text=your_message"
        strPostData = "whatsapp://send?phone=" & strPhoneNumber & "&text=" & strMessage
        Set IE = CreateObject("InternetExplorer.Application")
        IE.navigate strPostData
        Application.Wait Now() + TimeSerial(0, 0, 3)
        SendKeys "~"

        Set IE = Nothing
        
    Else
        ActiveSheet.Cells(introw, 3).Interior.ColorIndex = 0
        ActiveSheet.Cells(introw, 3).Font.Color = RGB(200, 0, 0)
        ActiveSheet.Cells(introw, 3).Value = "Offline"
        Application.Wait (Now + TimeValue("0:00:01"))
        ActiveSheet.Cells(introw, 3).Interior.ColorIndex = 6
        
'Send Whatsapp Message
        strMessage = "Ping " & ActiveSheet.Cells(introw, 1).Value & " " & ActiveSheet.Cells(introw, 2).Value & " is Offline"
        
'IE.navigate "whatsapp://send?phone=phone_number&text=your_message"
        strPostData = "whatsapp://send?phone=" & strPhoneNumber & "&text=" & strMessage
        Set IE = CreateObject("InternetExplorer.Application")
        IE.navigate strPostData
        Application.Wait Now() + TimeSerial(0, 0, 3)
        SendKeys "~"
        Set IE = Nothing
    End If
Next
End Sub