These entries are queried from radb.net using whois, you can try my project getting these.
:AS147120 route: 103.175.156.0/23 origin: AS147120 descr: route-object for AS147120 mnt-by: MAINT-AS138129 changed: sebastian [at] siapnetworks.co.id 20240117 # 0756Z source: RADB last-modified: 2024-01-17T07:56:30Z rpki-ov-state: valid route: 103.175.156.0/23 descr: Route object for 103.175.156.0/23 descr: PT Myarsyila Indonesia Interkoneksi origin: AS147120 mnt-by: MAINT-ID-MYARSYILA last-modified: 2023-02-06T02:29:15Z source: IDNIC rpki-ov-state: valid route: 103.175.156.0/24 origin: AS147120 descr: Proxy-registered route object remarks: This route object is for a HSP Global Customer route remarks: which is being exported under this origin AS mnt-by: MAINT-AS138840 changed: nap [at] hsp.net.id 20211115 #22:23:53Z source: RADB last-modified: 2023-11-13T16:12:27Z rpki-ov-state: valid route: 103.175.156.0/24 descr: Route object for 103.175.156.0/24 origin: AS147120 mnt-by: MAINT-ID-MYARSYILA last-modified: 2023-02-02T23:53:22Z source: IDNIC rpki-ov-state: valid route: 103.175.157.0/24 origin: AS147120 descr: Proxy-registered route object remarks: This route object is for a HSP Global Customer route remarks: which is being exported under this origin AS mnt-by: MAINT-AS138840 changed: nap [at] hsp.net.id 20211115 #22:29:43Z source: RADB last-modified: 2023-11-13T16:12:27Z rpki-ov-state: valid route: 103.175.157.0/24 descr: Route object for 103.175.157.0/24 origin: AS147120 mnt-by: MAINT-ID-MYARSYILA last-modified: 2023-02-02T23:54:03Z source: IDNIC rpki-ov-state: valid