These entries are queried from radb.net using whois, you can try my project getting these.
:AS136587 route: 103.91.115.0/24 origin: AS136587 descr: PNG DATACO LIMITED PNG DATACO LTD LEVEL 1, WOKPLES BUILDING SAVANNAH HEIGHTS, WAIGANI mnt-by: MAINT-PNGDATACOLIMITED-PG last-modified: 2023-02-05T12:58:41Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.122.73.0/24 origin: AS136587 descr: PNG DATACO LIMITED PNG DATACO LTD LEVEL 1, WOKPLES BUILDING SAVANNAH HEIGHTS, WAIGANI mnt-by: MAINT-PNGDATACOLIMITED-PG last-modified: 2023-02-05T12:58:48Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.234.48.0/23 origin: AS136587 descr: PNG DATACO LIMITED PNG DATACO LTD LEVEL 1, WOKPLES BUILDING SAVANNAH HEIGHTS, WAIGANI mnt-by: MAINT-PNGDATACOLIMITED-PG last-modified: 2023-02-05T12:58:23Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.234.50.0/23 origin: AS136587 descr: PNG DATACO LIMITED PNG DATACO LTD LEVEL 1, WOKPLES BUILDING SAVANNAH HEIGHTS, WAIGANI mnt-by: MAINT-PNGDATACOLIMITED-PG last-modified: 2023-02-05T12:58:33Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 119.252.224.0/24 origin: AS136587 descr: Papua New Guinea Academic and Research Network Department of Higher Education, Research, Science & Technolo P.O Box 5117 Boroko 111 mnt-by: MAINT-PNG-ARNET-PG last-modified: 2021-02-17T11:11:45Z source: APNIC rpki-ov-state: valid