IBSTREF is a standard SAP Table which is used to store IB: Installed Base - Reference to Master Data Structure data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The IBSTREF table consists of various fields, each holding specific information or linking keys about IB: Installed Base - Reference to Master Data Structure data available in SAP. These include ST_RECNO (IB: Unique record number), INTTYP (IB: Internal type of a referencing object), OBJKEY (IB: Key of a Referencing Object)... See below for full list along with technical details, documentation, text table, check tables, foreign key relationships, conversion routines, relevant tcodes and example ABAP select code etc. .