BIN 521657
GULF INTERNATIONAL BANK BSC • SAUDI ARABIA • MASTERCARD
About BIN 521657
BIN 521657 is a MASTERCARD credit card operating on the CORPORATE WORLD payment network, issued by GULF INTERNATIONAL BANK BSC in SAUDI ARABIA (SA). The default settlement currency for this card is Unknown. This is not a prepaid card — it is linked to a standard bank account or credit facility. Card numbers beginning with this BIN pass the Luhn algorithm validation, confirming they are structurally valid card numbers.
Frequently Asked Questions
What is BIN 521657?
A Bank Identification Number (BIN), also called an Issuer Identification Number (IIN), is the first 6–8 digits of a payment card. BIN 521657 identifies GULF INTERNATIONAL BANK BSC as the issuing institution for cards carrying this prefix. These digits tell payment processors which bank issued the card before the full transaction is initiated.
Which bank issued BIN 521657?
BIN 521657 was issued by GULF INTERNATIONAL BANK BSC, a financial institution operating in SAUDI ARABIA.
In which country is BIN 521657 registered?
BIN 521657 is registered in SAUDI ARABIA (country code: SA). The issuing bank, GULF INTERNATIONAL BANK BSC, holds the licence to issue cards under this BIN range in SAUDI ARABIA. Transactions on these cards typically involve SAUDI ARABIA-based banking and settlement infrastructure.
Is BIN 521657 a credit, debit, or prepaid card?
BIN 521657 belongs to the credit card category. This is not a prepaid card, so it is linked to a standard bank account or approved credit facility.
What payment network does BIN 521657 use?
BIN 521657 operates on the MASTERCARD payment network using the CORPORATE WORLD card scheme. This means all transactions made with cards carrying this BIN are routed and processed through MASTERCARD's global payment infrastructure.
What currency is associated with BIN 521657?
The primary currency associated with BIN 521657 is Unknown. This is the currency in which domestic transactions are typically billed for cards under this BIN range when used in SAUDI ARABIA. International transactions may involve currency conversion depending on the merchant's country.
Does BIN 521657 pass the Luhn check?
Yes — card numbers beginning with BIN 521657 pass the Luhn algorithm. The Luhn algorithm is a standard checksum formula used by payment systems to detect miskeyed or structurally invalid card numbers. A passing result confirms the number range is mathematically valid.
