The Bank Identification Number (BIN) 511687 is issued by NIUM LIMITED in HONG KONG. This is a MASTERCARD CREDIT card with CORPORATE 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 511687, you can determine: the card network (MASTERCARD), whether it's a credit, debit, or prepaid card (CREDIT), the card level (CORPORATE), the issuing bank (NIUM LIMITED), and the country of issuance (HONG KONG). This information is useful for payment processors, merchants, and fraud prevention systems.