Thursday, September 10, 2009

About Credit Card Numbers (BIN) and how they work

 

 

It’s a Visa credit card,while different card types offer different lengths of numerical digits, most major credit card issuers popular in the United States have 16 primary numbers on the front face of the card. Visa, MasterCard, and Discover cards all have 16 digits.

 

American Express is the only major credit card issuer in the U.S. with one less number – at 15 digits. Regardless of the length of numbers, their numerical sequencing is still guided by the same Luhn validation formula, the mathematical check sum equation that makes all valid credit card numbers error free.

 

The very first 6 credit card number sequence is known as the issuer identification number (IIN) or bank identification number (BIN). These first 6 numerical digits denote the credit card network and the banking institution the card is a member of. The issuer identifier number also incorporates the card type’s special identifying numerical prefix

The numbers found on credit cards have a certain amount of internal structure, and share a common numbering scheme.

The card number's prefix is the sequence of digits at the beginning of the number that determine the credit card network to which the number belongs. The card number's length is its number of digits.

The prefixes and lengths for the most common card types are:

Card Type Prefix(es) Length
American Express 34 or 37 15
BankCard 560–561 16
Diners Club / Carte Blanche* 300–305, and 38 14
Discover Card 6011,6500–6509** 16
JCB 3 16
JCB 1800,2131 15
MasterCard 51–55, 36 14,16
Visa 4 13 or 16

*As of November 8, 2004, MasterCard purchased the domestic (US) Diner's Club bin range. Diner's Club International BIN range will remain (starting with 38), but the 36 bin range will now be processed as MasterCards.
**As of October 1st, 2005, Discover Bank will include a new BIN in the range of 650000–650999.

In addition, the first 6 digits of the credit card number are known as the Bank Identification Number (BIN). These identify the institution that issued the card to the card holder.

Some credit card issuers choose to restrict the card numbers they issue to those which pass a checksum test, where the final digit of the card number is used to confirm the initial digits.

This has two benefits of preventing casual attempts to invent credit numbers (only one in ten will be valid), and also prevent mistakes when the card number is manually recorded. The checksum test for credit card numbers is the Luhn formula, described in Annex B to ISO/IEC 7812, Part 1.

American Express, in particular follows the following specific algorithm:

First 4 numbers, country code, currency code and card type (ie charge or credit card)
Next 2, card type (ie gold, platinum)
Next digit, billing cycle
Next 4 digits, account number
Fourth from last, card issue (begins at 1 and will go up if it's replaced because the card is lost or stolen)
Next two, card issued under the account (ie if there are additional card holders. begins at 00 and increments)
Last number, Luhn-10 check digit (used for verification)

Posted via email from IBFN (Islamic Banking & Finance Network) at Posterous

Wednesday, September 2, 2009

Top 100 Islamic banks defy recession woes as combined assets grow 66%

The Asian Banker has released its annual ranking of the world's top 100 Islamic banks by assets.

Combined assets of world's 100 top Islamic banks increased 66 per cent last year, bucking the trend of slow growth in other markets.

 

Asia's 300 largest banks, for example, only grew assets 13.4 per cent in the same period according to a survey conducted by The Asian Banker, a Singapore based publication.

 

"Islamic finance has seen an incredible surge in popularity, based on stronger regulatory regimes and a better international understanding of its dynamics," says Emmanuel Daniel, President and chief executive of The Asian Banker.

The report notes that Islamic finance assets are largely concentrated in Iran, Kuwait, Malaysia, Saudi Arabia and the UAE, but growth drivers have come from all over the region, in particular Al Rajhi Bank, which saw assets increase 32.1 per cent.

 

Banks in Bahrain, Malaysia, Kuwait, Qatar, Syria, and the United Kingdom also saw significant double or triple-digit asset growth.

 

Despite the financial turmoil in late 2008 that crippled so many large Western institutions, Islamic banks have continued to grow in prominence and size.

 

According to Asian Banker Research, the world's 100 largest wholly Islamic banks ranked by assets held more than $580 billion (Dh2.1 trillion) in assets in 2008, a 66 per cent increase from the $350 billion they held in the previous year.

 

The top ten banks remained largely the same as the ones that dominated the previous year, with Bank Melli Iran (BMI) still topping the list and Saudi Arabia's Al Rajhi Bank in second place, albeit catching up rapidly with a 32 per cent surge in assets compared with BMI's negligible growth.

Iranian banks are still the biggest Islamic banking players, holding seven out of the top 10 ranks, and 12 of the 100.

 

The Iranian banks also take up around 40 per cent of listing's assets. The four next-largest markets - the UAE, Malaysia, Saudi Arabia and Kuwait - each has similar asset sizes to one another, and together carve out nearly another 40 per cent of the ranking's assets combined, with smaller banks in 10 other markets rounding out the list.

 

Although two Islamic banks in the United Kingdom are large enough to be in the top 100, Islamic banks headquartered outside the Middle East, Asia and North Africa are still very small next to longer-established players in the Middle East.

 

East of Iran, as only Mal-aysian and Bangladeshi Islamic banks have a significant amount of assets. Indonesia, the world's most populous Muslim nation, only has two banks on the list, while Pakistan has three, and Brunei and Singapore one each.

Saudi Arabia's representation is proportionately the largest, as the three banks it has in the list are all in the top 35.

 

Sudanese banks appeared to be among the weakest, with only seven appearing in this year's ranking, down from 19 in the previous ranking.

Despite the size of the Iranian banks, Saudi Arabian banks are much more profitable - the three Saudi Arabian banks in the top 100 Islamic banks contributed 19 per cent of the ranking's total income.

 

Al Rajhi Bank had the highest net income figure of $1.74 billion - the only bank to break the billion-dollar mark, which was almost three times more than the second-placed Kuwait Finance House.

 

The bank also earned over five times the most profitable Iranian bank, Bank Tejarat. The bank that jumped the greatest in the asset ranking is Dubai's start-up lender Noor Islamic Bank, which climbed up the ranks to 20th this year. (www.GulfNews.com 29th August 2009)

Posted via email from IBFN (Islamic Banking & Finance Network) at Posterous