BIN 251103 — Lookup & Card Details

Check bank, country, card type, and issuer information for BIN 251103.

What is BIN 251103?

BIN 251103 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 251103 itself is public metadata — it identifies the issuer, not the cardholder.

mastercard

BIN 251103, digit by digit

Each position in a BIN carries defined meaning under ISO/IEC 7812. Here is how the 6 digits of 251103 break down.

2Major Industry Identifier — Airlines and financial (incl. Mastercard 2-series)

5Issuer range digit 2 of the 6-digit prefix

1Issuer range digit 3 of the 6-digit prefix

1Issuer range digit 4 of the 6-digit prefix

0Issuer range digit 5 of the 6-digit prefix

3Issuer range digit 6 of the 6-digit prefix

BIN 251103 — frequently asked questions

Which bank issued BIN 251103?

The live registry lookup doesn't currently return a bank name for BIN 251103. 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 251103 run on?

BIN 251103 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 251103?

Yes. BIN 251103 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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Related BIN ranges

Browse neighboring BINs — useful when pinpointing a card range.

Lower BINs

251093 251094 251095 251096

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