They did reset your modem today. I did some adjustments tonight but it's only very small improvement in speed. For 13 computers it needs to be much higher.

In Costa Mesa the Download is what you need to connect to Santa Ana.
Santa Ana needs fast upload (That is the download to Costa Mesa)

I will keep trying to reach the guy from AT&T and see if it can be better. I will also let you know how often it goes offline. It does it all the time I figured it was AT&T trying to fix their slow internet.