1.You can ask for your parents acceptance and be right for you to have it.
2. You can if you are in high-school I guess because you are about to go to college in years if you just started high-school.
3.If you are an adult thats when you have to take responsibility for yourself and you are incharge of yourself.
Conclusion:
People have the right to internet access because kids might have permission the have access and adults take responsibility for their selves so they can easily access internet without permission.