Looks up the Bank Identification Number (BIN) or Issuer Identification Number (IIN) to identify the card network, issuing bank, card type, and country. The BIN is the first 6-8 digits of a card number.
Inputs
BIN / IIN: The first 6-8 digits of a card number.
Tips
Visa cards start with 4, Mastercard with 51-55 or 2221-2720, Amex with 34 or 37.
The BIN/IIN identifies the issuing institution and card properties.
BIN range databases are maintained by card networks and third-party providers.