The Bank Identification Number (BIN) 521317 is issued by ORIENT COMMERCIAL JOINT STOCK BANK in VIET NAM. This is a MASTERCARD CREDIT card with WORLD FOR 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 521317, you can determine: the card network (MASTERCARD), whether it's a credit, debit, or prepaid card (CREDIT), the card level (WORLD FOR BUSINESS), the issuing bank (ORIENT COMMERCIAL JOINT STOCK BANK), and the country of issuance (VIET NAM). This information is useful for payment processors, merchants, and fraud prevention systems.