523755
MASTERCARD credit card issued by AION BANK in POLAND.
credit STANDARD 
POLAND 5237 55XX XXXX XXXX
Cardholder Name
John Doe
Other BINs from AION BANK
| BIN | Brand | Type | Prepaid |
|---|---|---|---|
| 223285 | mastercard | credit | — |
| 512534 | mastercard | debit | — |
| 514768 | mastercard | debit | — |
| 519205 | mastercard | debit | — |
| 523895 | mastercard | credit | — |
| 527876 | mastercard | debit | — |
| 535185 | mastercard | debit | — |
| 537413 | mastercard | debit | — |
| 548734 | mastercard | debit | — |
| 550112 | mastercard | debit | — |
| 678295 |  maestro | debit | — |
| 678584 | maestro | debit | — |
What does BIN 523755 tell us?
BIN 523755 belongs to the MASTERCARD network and is issued by AION BANK in POLAND. This is a credit 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 523755 FAQ
Common questions about BIN 523755 and card identification.