621841
CHINA UNION PAY debit card issued by CUP TOKEN in CHINA.
debit 
CHINA 6218 41XX XXXX XXXX
Cardholder Name
John Doe
What does BIN 621841 tell us?
BIN 621841 belongs to the CHINA UNION PAY network and is issued by CUP TOKEN in CHINA. This is a debit card (not prepaid).
The first 6 digits of this card number uniquely identify the issuing institution and card program. This information is used by payment processors, fraud detection systems, and merchants to route transactions and validate cards.
BIN data is public information shared across millions of cards. Knowing a BIN does not expose any personal or account information. The remaining digits are unique to each cardholder and include a check digit validated by the Luhn algorithm.
BIN 621841 FAQ
Common questions about BIN 621841 and card identification.