You cant have 80 subnets on that address because if you were to work it out it would mean you would have to use 7 bits for subnetting which would leave you with 1 bit for hosts, which is impossible. So i'll work it out with 25 subnets.
Yeah, I was responding while you posted and didn't see it, my bad. It took me a while to post my message because I was double checking to make sure I was right. -- Computer Repair & Wireless Internet