In order to assist in identifying where an issue may be present can we please ask you to perform some speed tests following the instructions below and share the results with us.
1. Connect a PC or Laptop directly to the LAN interface of your router.
2. Using Chrome or Firefox web browser type the following in the address bar or click on the link; http://speedtest.broadbandsolutions.com.au/
3. click the "Start" button.
4. Please run at least 3 speed tests to ensure that consistent results are obtained
5. Reply to the the email you have / will receive with your ticket reference with the Speed Test result or screen shot.