Here we would like to draw your attention to STSN transaction code in SAP. As we know it is being used in the SAP BC-SRV (Basis Services / Communication Interfaces in Basis) component which is coming under BC module (BASIS).STSN is a transaction code used for Customizing Number Ranges TimeStream in SAP.
It comes under the package SZTS.
Transaction STSN technical data table
|Purpose||Customizing Number Ranges TimeStream|