The Bank Identification Number (BIN) 621730 is issued by ICBC TOKYO BRANCH-ICBC TOKYO DEBIT CARD in JAPAN. This is a CHINA UNION PAY DEBIT card with PERSONAL 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 621730, you can determine: the card network (CHINA UNION PAY), whether it's a credit, debit, or prepaid card (DEBIT), the card level (PERSONAL), the issuing bank (ICBC TOKYO BRANCH-ICBC TOKYO DEBIT CARD), and the country of issuance (JAPAN). This information is useful for payment processors, merchants, and fraud prevention systems.