Help? banned from chat avenue/scared?!?

ok so as i joke i went into the gay room and said i was 12 and said something like oohh i want older men come at me!!! and then i was banned and said they will send my ip address to the authorities! i never said i wanted to meet up with anyone and it was a joke! ive been seeing people saying they'll send it to the isp but are they really gonna tell my parents? def never going on that site again! please answer!