About BIN 521821
The Bank Identification Number 521821 identifies cards issued by Aeon Credit Card (Taiwan) Co., LTD. on the Mastercard network in Taiwan. Cards in this range are credit cards. Card numbers starting with these digits are routed to the issuing institution during payment authorization.
A BIN (Bank Identification Number) - also called an IIN (Issuer Identification Number) - is the first 6-8 digits of a payment card. It reveals the card network, issuer, country, and funding type, but never identifies an individual cardholder or account.
Frequently Asked Questions
What bank issued BIN 521821?
BIN 521821 is issued by Aeon Credit Card (Taiwan) Co., LTD. in Taiwan.
What card network does BIN 521821 belong to?
BIN 521821 belongs to the Mastercard network and is a credit card.
Is it safe to look up BIN 521821?
Yes. BIN data covers only the first 6-8 digits of a card and is public industry information used by merchants and payment processors. It cannot identify any individual card or cardholder.