These entries are queried from radb.net using whois, you can try my project getting these.
:AS139906 route: 103.146.192.0/23 origin: AS139906 descr: Vocus Route IPv4 mnt-by: MAINT-AS9790 changed: radbupdater [at] vocusgroup.co.nz 20230724 source: RADB last-modified: 2023-11-13T16:17:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.146.192.0/23 origin: AS139906 descr: Rural Wireless Limited 864 Mt Stewart Halcombe Road Feilding mnt-by: MAINT-RURALWIRELESS-NZ last-modified: 2020-08-26T04:36:55Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.31.161.0/24 origin: AS139906 descr: Vocus Route IPv4 mnt-by: MAINT-AS9790 changed: radbupdater [at] vocusgroup.co.nz 20230801 source: RADB last-modified: 2023-11-13T16:17:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source