The Bank Identification Number (BIN) 521536 is issued by BANK OF MONTREAL in CANADA. This is a MASTERCARD CREDIT card with FLEET NON GSA level.
BIN (Bank Identification Number), also known as IIN (Issuer Identification Number), refers to the first 6 digits of a payment card number. These digits identify the card-issuing institution, card type, and other attributes used for routing and fraud prevention.
By looking up BIN 521536, you can determine: the card network (MASTERCARD), whether it's a credit, debit, or prepaid card (CREDIT), the card level (FLEET NON GSA), the issuing bank (BANK OF MONTREAL), and the country of issuance (CANADA). This information is useful for payment processors, merchants, and fraud prevention systems.