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  1. Preface
  2. Introduction to Test Data Management
  3. Test Data Manager
  4. Projects
  5. Policies
  6. Data Discovery
  7. Creating a Data Subset
  8. Performing a Data Masking Operation
  9. Data Masking Techniques and Parameters
  10. Data Generation
  11. Data Generation Techniques and Parameters
  12. Working with Test Data Warehouse
  13. Analyzing Test Data with Data Coverage
  14. Plans and Workflows
  15. Monitor
  16. Reports
  17. ilmcmd
  18. tdwcmd
  19. tdwquery
  20. Appendix A: Data Type Reference
  21. Appendix B: Data Type Reference for Test Data Warehouse
  22. Appendix C: Data Type Reference for Hadoop
  23. Appendix D: Glossary

Issuer Identification Number

Issuer Identification Number

An issuer identification number contains the starting digits of a credit card number.
The issuer identification number accepts up to six digits. After the valid values, TDM adds any number from 0 to 9. For example, the issuer identification number for a Visa card is 4. So, TDM can generate data such as 4X, 4XX, 4XXX, 4XXXX, 4XXXXX, and so on.
If you do not specify a number, TDM generates data based on the valid issuer identification numbers for the corresponding issuing networks. If you provide a valid value, TDM generates data based on the issuer identification number. If you provide a value that is not valid, the workflow fails to run.
The following table shows the valid issuer identification numbers for different issuing networks:
Issuing Network
Issuer Identification Number
American Express
34 and
37
Discover
6011,
622126 to 622925,
644-649, and
65
JCB
3528-3589
Mastercard
51-55
Visa
4

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