These entries are queried from radb.net using whois, you can try my project getting these.
:AS393492 route: 198.169.62.0/23 descr: Underground_Service_Alert_Latisys origin: AS393492 mnt-by: MAINT-AS5693 changed: neteng [at] latisys.com 20140703 #22:53:38Z source: RADB last-modified: 2023-11-13T15:46:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source