These entries are queried from radb.net using whois, you can try my project getting these.
:AS147051 route: 203.33.188.0/24 descr: Ethanet mnt-by: MAINT-ETH-NZ origin: AS147051 last-modified: 2022-03-16T23:08:46Z member-of: RS-ETHANET source: APNIC rpki-ov-state: valid route6: 2400:1360:c000::/34 origin: AS147051 descr: CBROS Technologies Limited 19/13 Coles Avenue Mt Eden mnt-by: MAINT-CTL-NZ last-modified: 2021-11-11T09:29:17Z source: APNIC rpki-ov-state: valid route6: 2400:1360:c000::/48 origin: AS147051 descr: CBROS Technologies Limited 19/13 Coles Avenue Mt Eden mnt-by: MAINT-CTL-NZ last-modified: 2021-11-11T09:31:29Z source: APNIC rpki-ov-state: valid route6: 2400:1360:c001::/48 origin: AS147051 descr: CBROS Technologies Limited 19/13 Coles Avenue Mt Eden mnt-by: MAINT-CTL-NZ last-modified: 2021-11-11T09:31:46Z source: APNIC rpki-ov-state: valid route6: 2400:1360:c002::/48 origin: AS147051 descr: CBROS Technologies Limited 19/13 Coles Avenue Mt Eden mnt-by: MAINT-CTL-NZ last-modified: 2021-11-11T09:32:05Z source: APNIC rpki-ov-state: valid