BIN 51849041 — Mastercard Corporate Credit Card (Australia)
- Card Brand
- Mastercard
- BIN / IIN length
- 8
- Card Type
- Credit
- Card Level
- Corporate
- Issuer Name / Bank
- OPTAL AUSTRALIA PTY, LTD.
- Issuer's / Bank's Website
- optal.com
- Issuer / Bank Phone
- Available with API
- Commercial Card?
- Available with API
- Prepaid Card?
- Available with API
- Reloadable Card?
- Available with API
- ISO Country Name
- Australia
- Country Flag
- 🇦🇺
- ISO Country Code (A2)
- AU
- ISO Country Code (A3)
- AUS
- ISO Country Currency
- AUD
Unlock Complete BIN Intelligence
The free lookup above accepts 6–8 digit BINs and shows essentials — issuer, brand, type and country. The BinCheck API returns the full record up to 11-digit BIN/IIN: commercial and prepaid flags, reloadable status, bank contact details, BIN+IP match data, and dozens of metadata fields in one clean JSON response.
- Commercial card detection
- Prepaid card indicator
- Reloadable status
- Bank website
- Bank phone
- Issuer metadata
- Country metadata
- Fast REST API
- Structured JSON responses
- Millions of requests / month
About BIN 51849041
BIN 51849041 is a Credit Mastercard card range issued by OPTAL AUSTRALIA PTY, LTD. in Australia. Here is a plain-English breakdown of what each field means and how businesses use it.
- Issuing bank
- OPTAL AUSTRALIA PTY, LTD.
- Card brand
- Mastercard
- Country
- 🇦🇺Australia
- Card type
- Credit
- Funding type
- Credit (revolving line)
- BIN / IIN length
- 8 digits
How BINs work
A Bank Identification Number (BIN) — also called an Issuer Identification Number (IIN) — is the first 6 to 8 digits of a payment card number. The first digit is the Major Industry Identifier (MII), and the leading digits identify the card network. Together they map a card to the institution that issued it.
Card networks assign BIN ranges to issuing banks, so every card in a range shares the same issuer, brand, country and product type. Decoding the BIN reveals who stands behind a card before a single charge is authorized.
Why merchants use BIN verification
Checking the BIN at checkout lets merchants route payments intelligently, surface the right local payment methods, and apply risk rules — for example flagging a mismatch between the card's issuing country and the shopper's IP address.
BIN data also powers fraud prevention (spotting card-testing and BIN-attack patterns), interchange optimization, and cleaner analytics — which is why payment teams pull it programmatically through an API rather than checking cards one by one.
