These entries are queried from radb.net using whois, you can try my project getting these.
:AS393688 route: 192.150.50.0/24 descr: Insulet Corp origin: AS393688 mnt-by: MAINT-AS27506 changed: jmcnallie [at] lightower.com 20160711 source: RADB last-modified: 2023-11-13T15:49:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source