The Bank Identification Number (BIN) 555977 is issued by QATAR NATIONAL BANK in SUDAN. 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 555977, 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 NATIONAL BANK), and the country of issuance (SUDAN). This information is useful for payment processors, merchants, and fraud prevention systems.