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BIN 523191 — Lookup & Card Details
Check bank, country, card type, and issuer information for BIN 523191.
What is BIN 523191?
BIN 523191 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.
Merchants, fraud teams, ad platforms and developers use BIN data to route transactions, localize checkout, detect chargebacks and decide which card products they accept. BIN 523191 itself is public metadata — it identifies the issuer, not the cardholder.
BIN 523191, digit by digit
Each position in a BIN carries defined meaning under ISO/IEC 7812. Here is how the 6 digits of 523191 break down.
BIN 523191 — frequently asked questions
Which bank issued BIN 523191?
The live registry lookup doesn't currently return a bank name for BIN 523191. 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 523191 run on?
BIN 523191 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 523191?
Yes. BIN 523191 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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