These entries are queried from radb.net using whois, you can try my project getting these.
:AS21909 route: 208.219.74.0/24 descr: PNAP-SEA noa-sea origin: AS21909 mnt-by: MAINT-AS1828 changed: cdodge [at] internap.com 20010725 source: RADB last-modified: 2023-11-13T16:13:52Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source