Orange and white cat found in Parc Extension

We found a cat in our backyard shivering and crying and when we opened the door, the cat jumped in. We have fed him and put out a litter box, but we want to find the original owners. He is a male and orange (as you can see).

If we dont find the original owners, we are either considering keeping him or giving him away to the SPCA. Thank you for your cooperation.