These entries are queried from radb.net using whois, you can try my project getting these.
:AS16620 route: 162.212.216.0/21 descr: Alcazar Networks origin: AS16620 mnt-by: MAINT-AS27506 changed: rmaddula [at] lightower.com 20180315 source: RADB last-modified: 2023-11-13T15:53:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source