BIN 512912
5129 1243 3782 3515
BIN 512912 is the Issuer Identification Number (IIN) at the start of a card number. It is issued on the Mastercard network as a credit card at the World Elite level. The issuing bank is Dock Tech Mexico SA DE CV, based in Mexico. A BIN identifies the bank and card range only — it never reveals an account number, balance or cardholder.
Card number format for this BIN
Every card number that starts with 512912 follows these Mastercard rules. Its last digit is a Luhn check digit calculated from the digits before it, which is why a mistyped number is usually rejected before a payment is even sent.
🇲🇽 Our dataset lists 2,149 BIN ranges issued in Mexico. See the Mexico BIN list with its banks, card schemes and card types.
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Open BIN Lookup →Frequently asked questions
What bank issued BIN 512912?
BIN 512912 belongs to Dock Tech Mexico SA DE CV in Mexico. A BIN identifies the issuing bank and card range — never an individual account or cardholder.
Is BIN 512912 a credit or debit card?
It is a credit card on the Mastercard network.
Can I get full card numbers from a BIN?
No. A BIN is only the first 6–8 digits and public routing information. It reveals the scheme, type, bank and country, but never a full card number, balance or cardholder. The sample on this page is randomly generated and holds no funds.