The Bank Identification Number (BIN) 543735 is issued by QATAR ISLAMIC BANK in QATAR. This is a MASTERCARD DEBIT card with PREPAID RELOADABLE 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 543735, you can determine: the card network (MASTERCARD), whether it's a credit, debit, or prepaid card (DEBIT), the card level (PREPAID RELOADABLE), the issuing bank (QATAR ISLAMIC BANK), and the country of issuance (QATAR). This information is useful for payment processors, merchants, and fraud prevention systems.