These entries are queried from radb.net using whois, you can try my project getting these.
:AS36437 route: 63.194.190.0/24 origin: AS36437 descr: County of Santa Cruz admin-c: WEIGL1-ARIN tech-c: WEIGL1-ARIN mnt-by: MAINT-AS10683 changed: gcruz [at] cruzio.com 20230915 #19:55:09Z source: RADB last-modified: 2023-11-13T16:18:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source