These entries are queried from radb.net using whois, you can try my project getting these.
:AS139428 route: 103.144.146.0/23 descr: Route Object of Lexxa Data, PT descr: Lexxa Data Indonusa, PT descr: Boyolangu, Jawa Timur origin: AS139428 mnt-by: MAINT-ID-LEXXADATA last-modified: 2021-01-25T14:23:22Z source: APNIC rpki-ov-state: valid route: 103.144.146.0/23 descr: Route Object for AS139428 origin: AS139428 notify: ipnoc [at] pgascom.co.id mnt-by: MAINT-AS58463 changed: ipnoc [at] pgascom.co.id 20200107 source: RADB last-modified: 2023-11-13T15:59:36Z rpki-ov-state: valid route: 103.144.146.0/23 descr: Route Object of Lexxa Data, PT descr: Lexxa Data Indonusa, PT descr: Boyolangu, Jawa Timur origin: AS139428 mnt-by: MAINT-ID-LEXXADATA last-modified: 2022-07-19T09:58:35Z source: IDNIC rpki-ov-state: valid route: 103.144.146.0/24 descr: Route Object for AS139428 origin: AS139428 notify: ipnoc [at] pgascom.co.id mnt-by: MAINT-AS58463 changed: ipnoc [at] pgascom.co.id 20200107 source: RADB last-modified: 2023-11-13T15:59:36Z rpki-ov-state: valid route: 103.144.147.0/24 descr: Route Object for AS139428 origin: AS139428 notify: ipnoc [at] pgascom.co.id mnt-by: MAINT-AS58463 changed: ipnoc [at] pgascom.co.id 20200107 source: RADB last-modified: 2023-11-13T15:59:36Z rpki-ov-state: valid route: 103.183.98.0/23 origin: AS139428 descr: PT LEXXA DATA INDONUSA mnt-by: MAINT-AS136106 changed: sabirin.muhtar [at] fiberstar.co.id 20220319 #11:57:14Z source: RADB last-modified: 2023-11-13T16:10:09Z rpki-ov-state: valid route: 103.183.98.0/24 origin: AS139428 descr: route-object for AS139428 mnt-by: MAINT-AS138129 changed: sebastian [at] siapnetworks.co.id 20220722 #23:57:58Z source: RADB last-modified: 2023-11-13T16:19:29Z rpki-ov-state: valid route: 103.183.99.0/24 origin: AS139428 descr: Proxy-registered route object remarks: This auto-generated route object was created for a TELIN customer route This route object was created because some TELIN peers filter based on these objects and this route may be rejected if this object is not created. notify: gegi [at] telin.net notify: arpian [at] telin.net mnt-by: MAINT-AS7713 changed: subhan [at] telin.co.id 20240102 # 0216Z source: RADB last-modified: 2024-01-02T02:16:48Z rpki-ov-state: valid