ISALLOC is a standard SAP Table which is used to store Distribution table data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The ISALLOC table consists of various fields, each holding specific information or linking keys about Distribution table data available in SAP. These include DISTKEY (Distribution Key), RCNTR (Cost Center), RVSARL_VX (Insurance Type), RFUBER_VX (Insurance Functional Area)... 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. .