Low ping numbers are better, higher numbers show that it takes longer in miliseconds to reach the server in question.
There are a few ways to deal with slow connection due to being cheated by a company.
1. Call an complain and threaten to switch companies
2. sue them (won't be likely to win)
3. Call and have your connection evaluated, it might be that it is broken or damaged.
4. Call and ask what your MBs cap is, and if you have exceeded it.