The requested URL could not be retrieved

While trying to retrieve the URL:
The following error was encountered:

Access Denied.

This ad-zapper attempts to constrain service to ZipWorld customers only. If you are a ZipWorld customer and still receive this error message, please contact me on <%w> to report this problem. I would also appreciate knowing:

This will let me check your IP address against the (huge!) list of IP ranges ZipWorld deal with. Please contact me with this information rather than simply abandoning the zapper.

Thank you,
Cameron Simpson <%w>, your zapper administrator.