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BIN 523303 — Lookup & Card Details
Check bank, country, card type, and issuer information for BIN 523303.
What is BIN 523303?
BIN 523303 is on the Mastercard network.
A Bank Identification Number (BIN, or Issuer Identification Number / IIN) is the first 6 to 8 digits of any payment card. It tells the payment network which institution issued the card, what kind of card it is, and where it was issued. The card runs on the Mastercard network.
Mastercard is a global network whose BINs fall in the 51–55 and 2221–2720 ranges, accepted at merchants worldwide.
Payment processors read these digits on every transaction: they drive routing decisions, currency handling at checkout, fraud scoring and card-product acceptance rules. BIN 523303 carries no personal information: it maps to an issuing institution and card program, never to an individual account or person.
BIN 523303, digit by digit
Each position in a BIN carries defined meaning under ISO/IEC 7812. Here is how the 6 digits of 523303 break down.
BIN 523303 — frequently asked questions
Which bank issued BIN 523303?
The live registry lookup doesn't currently return a bank name for BIN 523303. The prefix resolves to the Mastercard network, and issuer details may appear as registries update — newly issued and virtual ranges often lag.
What card network does BIN 523303 run on?
BIN 523303 runs on the Mastercard network. Mastercard is a global network whose BINs fall in the 51–55 and 2221–2720 ranges, accepted at merchants worldwide.
Is it legal to look up BIN 523303?
Yes. BIN 523303 is public infrastructure data under the ISO/IEC 7812 standard — it identifies the issuing program, not any cardholder. No personal or account data is involved in a BIN lookup.
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