These entries are queried from radb.net using whois, you can try my project getting these.
:AS25929 route: 63.244.0.0/16 descr: Shire Human Genetic Therapies Millennium / Takeda origin: AS25929 mnt-by: MAINT-AS27506 changed: philippe.robillard [at] crowncastle.com 20200225 source: RADB last-modified: 2023-11-13T16:00:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source