The Bank Identification Number (BIN) 519771 is issued by BANCO COMAFI S.A. in ARGENTINA. This is a MASTERCARD DEBIT card with PREPAID BUSINESS 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 519771, you can determine: the card network (MASTERCARD), whether it's a credit, debit, or prepaid card (DEBIT), the card level (PREPAID BUSINESS), the issuing bank (BANCO COMAFI S.A.), and the country of issuance (ARGENTINA). This information is useful for payment processors, merchants, and fraud prevention systems.