Here we would like to draw your attention to SRN1 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).SRN1 is a transaction code used for Number range maintenance: ADRCITY in SAP.
It comes under the package SZRS.When we execute this transaction code, SAPMSNUM is the normal standard SAP program that is being executed in background.
Transaction SRN1 technical data table
|Purpose||Number range maintenance: ADRCITY|