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Senses

bank identification number · SynAc

TERM

bank identification number

The digits of a credit card number that identify the issuing bank. (See: primary account number.)

Updated

Jan 06, 2026

Also known as

BIN

Senses

1 (O)

The digits of a credit card number that identify the issuing bank. (See: primary account number.)

The digits of a credit card number that identify the issuing bank. (See: primary account number.)

IETF RFC 4949 (Internet Security Glossary)

Bibliography

IETF RFC 4949 (Internet Security Glossary)
Accessed Jan 06, 2026Quoted
RFC 4949 — Internet Security Glossary (Version 2)
https://www.rfc-editor.org/rfc/rfc4949.txt
RFC 4949 is published by the IETF Trust and marked as "Distribution of this memo is unlimited". Verify IETF Trust copyright/licensing terms for reuse.
Source: IETF RFC 4949 (rfc-editor.org).

2 (O) /SET/

The first six digits of a primary account number.

The first six digits of a primary account number.

IETF RFC 4949 (Internet Security Glossary)

Bibliography

IETF RFC 4949 (Internet Security Glossary)
Accessed Jan 06, 2026Quoted
RFC 4949 — Internet Security Glossary (Version 2)
https://www.rfc-editor.org/rfc/rfc4949.txt
RFC 4949 is published by the IETF Trust and marked as "Distribution of this memo is unlimited". Verify IETF Trust copyright/licensing terms for reuse.
Source: IETF RFC 4949 (rfc-editor.org).