Xbox won’t connect to internet past 8 or 9 PM

This started about 2 weeks ago but around 8 or 9 pm my Xbox will disconnect from internet saying there’s an issue and the NAT type is disconnected and can’t be found, but at this time all other devices work in the house just fine and it only happens at this house not other ones. It doesn’t seem to be a problem with the router so I’m very confused on what it could be.