These entries are queried from radb.net using whois, you can try my project getting these.
:AS15351 route: 192.30.80.0/21 descr: Visperad Networks, LLC origin: AS15351 mnt-by: MAINT-AS36352 changed: internal [at] velocity-servers.net 20130926 #12:36:44Z source: RADB last-modified: 2023-11-13T15:46:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source