There are a lot of other threads here about not connecting, please read some of them.
Host caches send you 10 IP's and disconnect, so that is why you get the disconnect. No reason for them to stay connected, or use much bandwidth.
If you can't connect with one of those 10 IP's (or the next) you have a problem, or you are blocked by your ISP. Keep reading and keep trying and ask your ISP why they would not allow you to use the bandwidth you pay for. Ask for a refund, get a real ISP.