Seriously? It's bank identification number. It depends on you that how you want to use it. It's basically used for carding.
What Is a Bank Identification Number (BIN)?
A bank identification number (BIN) is the initial four to six numbers that appear on a credit card. The bank identification number uniquely identifies the institution issuing the card. The BIN is key in the process of matching transactions to the issuer of the charge card.
Seriously? It's bank identification number. It depends on you that how you want to use it. It's basically used for carding.