These entries are queried from radb.net using whois, you can try my project getting these.
:AS21564 route: 64.15.48.0/20 descr: Nova Scotia Provincial Government origin: AS21564 remarks: Proxy route entry added on behalf of customer notify: radb-admin [at] eastlink.ca mnt-by: MAINT-AS11260 changed: larry.brinton [at] corp.eastlink.ca 20151105 #18:34:10Z source: RADB last-modified: 2023-11-13T15:48:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 142.239.0.0/16 origin: AS21564 descr: Nova Scotia Provincial Government remarks: Proxy route entry added on behalf of customer notify: peering [at] eastlink.ca notify: ken.young [at] novascotia.ca mnt-by: MAINT-AS11260 changed: larry.brinton [at] corp.eastlink.ca 20200423 #17:52:10Z source: RADB last-modified: 2023-11-13T16:00:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.166.212.0/22 descr: Nova Scotia Provincial Government origin: AS21564 remarks: Proxy route entry added on behalf of customer notify: radb-admin [at] eastlink.ca mnt-by: MAINT-AS11260 changed: larry.brinton [at] corp.eastlink.ca 20151105 #18:36:37Z source: RADB last-modified: 2023-11-13T15:48:26Z rpki-ov-state: valid