These entries are queried from radb.net using whois, you can try my project getting these.
:AS136463 route: 103.89.18.0/24 origin: AS136463 descr: WheroNet Limited 27 Wairamarama Onewhero Road, RD2 mnt-by: MAINT-WHERONET-NZ last-modified: 2020-10-19T00:00:49Z source: APNIC rpki-ov-state: valid route: 103.89.18.0/24 origin: AS136463 descr: Proxy Registration for WheroNet by Vetta Online Ltd mnt-by: MAINT-AS64073 changed: noc [at] vetta.net 20220629 #01:25:16Z source: RADB last-modified: 2023-11-13T16:11:41Z rpki-ov-state: valid route: 103.89.19.0/24 origin: AS136463 descr: WheroNet Limited 27 Wairamarama Onewhero Road, RD2 mnt-by: MAINT-WHERONET-NZ last-modified: 2020-10-19T00:00:49Z source: APNIC rpki-ov-state: valid route: 103.89.19.0/24 descr: Proxy Registration for WheroNet by Vetta Online Ltd origin: AS136463 mnt-by: MAINT-AS64073 changed: noc [at] vetta.net 20171213 #20:45:44Z source: RADB last-modified: 2023-11-13T15:55:05Z rpki-ov-state: valid route: 103.105.140.0/24 descr: Proxy Registration for WheroNet by Vetta Online Ltd origin: AS136463 mnt-by: MAINT-AS64073 changed: noc [at] vetta.net 20181003 #22:37:46Z source: RADB last-modified: 2023-11-13T15:55:05Z rpki-ov-state: valid route: 103.105.140.0/24 origin: AS136463 descr: WheroNet Limited 27 Wairamarama Onewhero Road, RD2 mnt-by: MAINT-WHERONET-NZ last-modified: 2020-10-19T00:00:49Z source: APNIC rpki-ov-state: valid route: 103.105.141.0/24 origin: AS136463 descr: Proxy Registration for WheroNet by Vetta Online Ltd mnt-by: MAINT-AS64073 changed: noc [at] vetta.net 20190402 #22:24:04Z source: RADB last-modified: 2023-11-13T15:55:46Z rpki-ov-state: valid route: 103.105.141.0/24 origin: AS136463 descr: WheroNet Limited 27 Wairamarama Onewhero Road, RD2 mnt-by: MAINT-WHERONET-NZ last-modified: 2020-10-19T00:00:49Z source: APNIC rpki-ov-state: valid route6: 2400:e940::/32 origin: AS136463 descr: WheroNet Limited 27 Wairamarama Onewhero Road, RD2 mnt-by: MAINT-WHERONET-NZ last-modified: 2023-09-24T09:50:02Z source: APNIC rpki-ov-state: valid route6: 2400:e940::/32 origin: AS136463 descr: Proxy Registration for WheroNet by Vetta Online Ltd mnt-by: MAINT-AS64073 changed: noc [at] vetta.net 20220112 #03:20:08Z source: RADB last-modified: 2023-11-13T16:09:07Z rpki-ov-state: valid