The Bank Identification Number (BIN) 523646 is issued by BANK SINOPAC in TAIWAN, PROVINCE OF CHINA. This is a MASTERCARD DEBIT card with COMMERCIAL 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 523646, you can determine: the card network (MASTERCARD), whether it's a credit, debit, or prepaid card (DEBIT), the card level (COMMERCIAL), the issuing bank (BANK SINOPAC), and the country of issuance (TAIWAN, PROVINCE OF CHINA). This information is useful for payment processors, merchants, and fraud prevention systems.