The Bank Identification Number (BIN) 521279 is issued by MITSUBISHI UFJ NICOS CO., LTD. in JAPAN. This is a MASTERCARD CREDIT card with MIXED PRODUCT 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 521279, you can determine: the card network (MASTERCARD), whether it's a credit, debit, or prepaid card (CREDIT), the card level (MIXED PRODUCT), the issuing bank (MITSUBISHI UFJ NICOS CO., LTD.), and the country of issuance (JAPAN). This information is useful for payment processors, merchants, and fraud prevention systems.