The following demo displays the value from the Request object's UserAgent property.
Your user-agent string is: CCBot/2.0 (https://commoncrawl.org/faq/)
Source Code
<script runat="server" language="VB">
Sub Page_Load(sender as Object, e as EventArgs)
userAgent.Text = Request.UserAgent
End Sub
</script>
<asp:Label runat="server" id="userAgent"></asp:Label>