These entries are queried from radb.net using whois, you can try my project getting these.
:AS18378 route: 103.229.249.0/24 descr: On behalf of REANNZ Member origin: AS18378 mnt-by: MAINT-AS38022 changed: noc [at] reannz.co.nz 20140916 source: RADB last-modified: 2023-11-13T15:46:40Z rpki-ov-state: valid route: 103.229.249.0/24 origin: AS18378 descr: National Institute of Water and Atmospheric Research Ltd 301 Evans Bay Parade Greta Point mnt-by: MAINT-NZ-NIWA last-modified: 2020-02-13T02:55:40Z source: APNIC rpki-ov-state: valid route: 192.100.53.0/24 descr: Proxy Reg for NIWA by Telecom NZ origin: AS18378 mnt-by: MAINT-AS4648 changed: maurice.wilkinson [at] telecom.co.nz 20120325 source: RADB last-modified: 2023-11-13T15:42:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.36.29.0/24 origin: AS18378 descr: National Institute of Water and Atmospheric Research Ltd 301 Evans Bay Parade Greta Point mnt-by: MAINT-NZ-NIWA last-modified: 2020-02-13T02:55:40Z source: APNIC rpki-ov-state: valid route: 202.36.29.0/24 descr: On behalf of REANNZ Member origin: AS18378 mnt-by: MAINT-AS38022 changed: noc [at] reannz.co.nz 20230306 source: RADB last-modified: 2023-11-13T16:15:22Z rpki-ov-state: valid