The Bank Identification Number (BIN) 517791 is issued by OCBC BANK (HONG KONG) LIMITED in HONG KONG. This is a MASTERCARD CREDIT card with WORLD ELITE 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 517791, you can determine: the card network (MASTERCARD), whether it's a credit, debit, or prepaid card (CREDIT), the card level (WORLD ELITE), the issuing bank (OCBC BANK (HONG KONG) LIMITED), and the country of issuance (HONG KONG). This information is useful for payment processors, merchants, and fraud prevention systems.