Other than stating the time since you had the service installed, you haven't provided any usable information for this forum to help troubleshoot what may be a localised issue with your kit.
For example, you say there's no internet connection, but how have you confirmed as such?
- Is there any lights on the hub which indicate a problem?
- Can you connect to the hub using 192.168.0.1 ?
- What devices are you using to confirm? Mobile, laptop, desktop, game console, tablet?
- Tested using wifi connection or wired connection?
- Screenshots of the hubs info screen and or device error screenshots?