These entries are queried from radb.net using whois, you can try my project getting these.
:AS55702 route: 49.0.28.0/22 descr: On behalf of REANNZ Member origin: AS55702 mnt-by: MAINT-AS38022 changed: noc [at] reannz.co.nz 20220116 source: RADB last-modified: 2023-11-13T16:09:08Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 49.0.28.0/24 descr: On behalf of REANNZ Member origin: AS55702 mnt-by: MAINT-AS38022 changed: noc [at] reannz.co.nz 20140516 source: RADB last-modified: 2023-11-13T15:46:20Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 49.0.30.0/24 descr: On behalf of REANNZ Member origin: AS55702 mnt-by: MAINT-AS38022 changed: noc [at] reannz.co.nz 20140516 source: RADB last-modified: 2023-11-13T15:46:20Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 49.0.31.0/24 descr: On behalf of REANNZ Member origin: AS55702 mnt-by: MAINT-AS38022 changed: noc [at] reannz.co.nz 20150310 source: RADB last-modified: 2023-11-13T15:47:20Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.50.252.0/24 descr: On behalf of REANNZ Member origin: AS55702 mnt-by: MAINT-AS38022 changed: noc [at] reannz.co.nz 20140516 source: RADB last-modified: 2023-11-13T15:46:20Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2404:138:1300::/48 origin: AS55702 descr: Research and Education Advanced Network New Zealand Level 5 Qual IT House 22 The Terrace mnt-by: MAINT-NZ-REANNZ-NZ last-modified: 2023-11-12T22:02:37Z source: APNIC rpki-ov-state: valid route6: 2404:138:1300::/48 descr: On behalf of REANNZ Member origin: AS55702 mnt-by: MAINT-AS38022 changed: noc [at] reannz.co.nz 20140828 source: RADB last-modified: 2023-11-13T15:46:38Z rpki-ov-state: valid