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bindbuis

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Jan 23, 2026
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How are BIN/IIN databases maintained and how often do issuer ranges change?

BINs/IINs are the leading digits of payment card numbers governed by /IEC 7812 and managed through a mix of official registries and commercial aggregators; there is no single static public list becaus...

Jan 2, 2026

How do BIN lookup services work and which vendors are reputable for compliance-friendly checks?

BIN (aka IIN) lookup services read the first 6–8 digits of a payment card to return issuer metadata that merchants use for routing, fraud decisions and regulatory controls; robust compliance-friendly ...