Know what sucks more than having your internet stop working? Having it stop working when you're doing web-based programming for research due in less than a week. Yeah....thanks internet company!
So, apparently, they decided to no longer support our particular brand of modem...and didn't think it would be important or necessary to inform us of this decision.
Bought a new modem for a hefty $80, but it works beautifully. Yay?