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BIN 521394 — Lookup & Card Details
Check bank, country, card type, and issuer information for BIN 521394.
What is BIN 521394?
BIN 521394 is issued by Sekerbank T.A.S., from Türkiye, on the Mastercard network, as a credit card.
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. For BIN 521394, that institution is Sekerbank T.A.S. in Türkiye. The card runs on the Mastercard network. Transactions settle in TRY.
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 521394 itself is public metadata — it identifies the issuer, not the cardholder.
BIN 521394, digit by digit
Each position in a BIN carries defined meaning under ISO/IEC 7812. Here is how the 6 digits of 521394 break down.
BIN 521394 — frequently asked questions
Which bank issued BIN 521394?
BIN 521394 is registered to Sekerbank T.A.S. in Türkiye. The issuing institution is recorded in the card networks' BIN registries and confirmed by the live lookup on this page.
What country is BIN 521394 from?
BIN 521394 was issued in Türkiye, where card transactions settle in TRY. Country of issuance is set by the issuing institution's registration, not by where the card is used.
What card network does BIN 521394 run on?
BIN 521394 runs on the Mastercard network as a credit card (Mastercard Mixed). 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 521394?
Yes. BIN 521394 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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