The Bank Identification Number (BIN) 450321 is issued by ITAU UNIBANCO HOLDING S.A. in BRAZIL. This is a VISA CREDIT card with CLASSIC 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 450321, you can determine: the card network (VISA), whether it's a credit, debit, or prepaid card (CREDIT), the card level (CLASSIC), the issuing bank (ITAU UNIBANCO HOLDING S.A.), and the country of issuance (BRAZIL). This information is useful for payment processors, merchants, and fraud prevention systems.