BIN 420521
4205 2137 3593 9070
BIN 420521 is the Issuer Identification Number (IIN) at the start of a card number. It is issued on the Visa network as a credit card at the Classic level. The issuing bank is Aeon Financial Service CO., Ltd., based in Japan. A BIN identifies the bank and card range only — it never reveals an account number, balance or cardholder.
Other BINs from Aeon Financial Service CO., Ltd.
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Enter any card's first 6–8 digits to look up its bank, scheme, type and country.
Open BIN Lookup →Frequently asked questions
What bank issued BIN 420521?
BIN 420521 belongs to Aeon Financial Service CO., Ltd. in Japan. A BIN identifies the issuing bank and card range — never an individual account or cardholder.
Is BIN 420521 a credit or debit card?
It is a credit card on the Visa network.
Can I get full card numbers from a BIN?
No. A BIN is only the first 6–8 digits and public routing information. It reveals the scheme, type, bank and country, but never a full card number, balance or cardholder. The sample on this page is randomly generated and holds no funds.