Check the table ICFSERVLOC. All active services are marked with an «X» flag.
You can find the list of active services along with path using the report RS_ICF_SERV_ADMIN_TASKS
Get the list of standard Odata Services
- Login to SAPGUI and execute SE16 or SE11 T-code
- Enter «TADIR» in Table Name and click on Table Contents
- Enter «IWSG» in OBJECT column and execute