These entries are queried from radb.net using whois, you can try my project getting these.
:AS150254 route: 103.28.16.0/23 origin: AS150254 descr: Route object of PT Centrix Media Teknologi mnt-by: MAINT-AS58552 changed: helpdesk [at] multidata.net.id 20230927 #05:22:51Z source: RADB last-modified: 2023-11-13T16:18:45Z rpki-ov-state: valid route: 103.28.16.0/23 descr: Route object of PT Centrix Media Teknologi origin: AS150254 mnt-by: MAINT-ID-OCTANET last-modified: 2023-09-27T04:34:35Z source: IDNIC rpki-ov-state: valid route: 103.28.16.0/24 descr: Route object of PT Centrix Media Teknologi origin: AS150254 mnt-by: MAINT-ID-OCTANET last-modified: 2023-09-27T04:35:35Z source: IDNIC rpki-ov-state: valid route: 103.28.17.0/24 descr: Route object of PT Centrix Media Teknologi origin: AS150254 mnt-by: MAINT-ID-OCTANET last-modified: 2023-09-27T04:36:16Z source: IDNIC rpki-ov-state: valid