You got nailed before and warned according to your story. Then despite the warning you got you when back and did it again. Now your parents have to jump through hoops with thier ISP to get the service back. I would tend to think since you got warned the first time and busted again that it may not be a real simple task.
You guys have to abide by the rules others set down. See what happens when you go off and think you're invincable and won't get caught?
You got what you deserved.