These entries are queried from radb.net using whois, you can try my project getting these.
:AS884 route: 204.41.251.0/24 descr: GO - Treasury Board Secretariat origin: AS884 remarks: Proxy route entry added on behalf of remarks: GO - Treasury Board Secretariat remarks: originating in AS884 mnt-by: MAINT-AS852 changed: abuse [at] telus.com 20220204 source: RADB last-modified: 2023-11-13T16:09:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source