BIN 821721 — Lookup & Card Details

Check bank, country, card type, and issuer information for BIN 821721.

What is BIN 821721?

BIN 821721 is on the RuPay 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 RuPay network.

RuPay is India's domestic card network, operated by NPCI, with BIN ranges including 508, 81 and 82, and acceptance across India and partner networks abroad.

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 821721 itself is public metadata — it identifies the issuer, not the cardholder.

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BIN 821721, digit by digit

Each position in a BIN carries defined meaning under ISO/IEC 7812. Here is how the 6 digits of 821721 break down.

8Major Industry Identifier — Healthcare, telecom and national assignments (incl. RuPay)

2Issuer range digit 2 of the 6-digit prefix

1Issuer range digit 3 of the 6-digit prefix

7Issuer range digit 4 of the 6-digit prefix

2Issuer range digit 5 of the 6-digit prefix

1Issuer range digit 6 of the 6-digit prefix

BIN 821721 — frequently asked questions

Which bank issued BIN 821721?

The live registry lookup doesn't currently return a bank name for BIN 821721. The prefix resolves to the RuPay network, and issuer details may appear as registries update — newly issued and virtual ranges often lag.

What card network does BIN 821721 run on?

BIN 821721 runs on the RuPay network. RuPay is India's domestic card network, operated by NPCI, with BIN ranges including 508, 81 and 82, and acceptance across India and partner networks abroad.

Is it legal to look up BIN 821721?

Yes. BIN 821721 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

821711 821712 821713 821714

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