In this configuration activity we can define cross company code number assignment. In cases of asset allocation you can define from which company code the number assignment will come.
IMG Path: Financial Accounting (New) -> Asset Accounting -> Organizational Structures -> Specify Number Assignment Across Company Codes
Tables: T093C, T093N, T001
When you open the transaction you will get a list of company codes and from which company code the number ranges will be derived. In the following example most of them are derived from the same company code.