Is there a lookup tool for credit card leaks?

A few months ago, my credit card number was used in a few unauthorized transactions. The charges were reversed, and I got a new card, so overall, no big deal. But I am curious as to how the thief actually got their hands on my information.

Are there any lookup tools for leaked credit cards, similar to Have I Been Pwned, that might tell me how my credit card number was exposed? Since my card has already been cancelled, I don't even mind typing the number into a somewhat sketchy site.