The Bank Identification Number (BIN) 521173 is issued by BANCO DEL TESORO, C.A., BANCO UNIVERSAL in VENEZUELA, BOLIVARIAN REPUBLIC OF. This is a MASTERCARD CREDIT card with BLACK 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 521173, you can determine: the card network (MASTERCARD), whether it's a credit, debit, or prepaid card (CREDIT), the card level (BLACK), the issuing bank (BANCO DEL TESORO, C.A., BANCO UNIVERSAL), and the country of issuance (VENEZUELA, BOLIVARIAN REPUBLIC OF). This information is useful for payment processors, merchants, and fraud prevention systems.