These entries are queried from radb.net using whois, you can try my project getting these.
:AS139978 route: 103.148.18.0/23 origin: AS139978 descr: Route object of PT Jaringan Rtrwnet Nusantara mnt-by: MAINT-AS58552 changed: helpdesk [at] multidata.net.id 20231115 # 1251Z source: RADB last-modified: 2023-11-15T12:51:45Z rpki-ov-state: valid route: 103.148.18.0/23 descr: Route Object Prefix PT Jaringan Rtrwnet Nusantara origin: AS139978 mnt-by: MAINT-ID-RTRWNET last-modified: 2023-11-08T14:03:04Z source: IDNIC rpki-ov-state: valid route: 103.148.18.0/24 descr: Route Object Prefix PT Jaringan Rtrwnet Nusantara origin: AS139978 mnt-by: MAINT-ID-RTRWNET last-modified: 2023-11-08T14:04:39Z source: IDNIC rpki-ov-state: valid route: 103.148.18.0/24 origin: AS139978 descr: Route Object Prefix PT Jaringan RTRWNET Nusantara mnt-by: MAINT-AS58552 changed: helpdesk [at] multidata.net.id 20230919 #02:46:12Z source: RADB last-modified: 2023-11-13T16:18:36Z rpki-ov-state: valid route: 103.148.19.0/24 origin: AS139978 descr: Route object of PT Jaringan Rtrwnet Nusantara mnt-by: MAINT-AS58552 changed: helpdesk [at] multidata.net.id 20231115 # 1251Z source: RADB last-modified: 2023-11-15T12:51:07Z rpki-ov-state: valid route: 103.148.19.0/24 descr: Route Object Prefix PT Jaringan Rtrwnet Nusantara origin: AS139978 mnt-by: MAINT-ID-RTRWNET last-modified: 2023-11-08T14:04:03Z source: IDNIC rpki-ov-state: valid route6: 2405:c7c0::/32 descr: Route Object for 2405:c7c0::/32 origin: AS139978 mnt-by: MAINT-ID-RTRWNET last-modified: 2022-09-20T17:35:29Z source: IDNIC rpki-ov-state: valid route6: 2405:c7c0::/32 origin: AS139978 descr: Route object of PT Jaringan Rtrwnet Nusantara mnt-by: MAINT-AS58552 changed: helpdesk [at] multidata.net.id 20231115 # 1253Z source: RADB last-modified: 2023-11-15T12:53:50Z rpki-ov-state: valid