All credit cards have a BIN number (first 6 digits) that typically are associated with one bank. Checkout this list[1] [1] https://www.bindb.com/bin-list.html

All credit cards have a BIN number (first 6 digits) that typically are associated with one bank. Checkout this list[1] [1] https://www.bindb.com/bin-list.html https://www.bindb.com/bin-list.html