The tool is designed to confirm if a SIN is valid. But It can't valid SIN belongs to a specific individual.
A social insurance number (SIN) is a number to administer various government programs issued in Canada. The number could serve as an account number in the administration of Canada's varied employment insurance programs and Canada Pension Plan.
The first digit of a SIN usually identifies the province, the list below shows the Geography
If you want to generate SIN for test, here is a CA SIN Generator.