The Bank Identification Number (BIN) 231031 is issued by QESH INSTITUICAO DE PAGAMENTO LTDA in BRAZIL. 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 231031, 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 (QESH INSTITUICAO DE PAGAMENTO LTDA), and the country of issuance (BRAZIL). This information is useful for payment processors, merchants, and fraud prevention systems.