These entries are queried from radb.net using whois, you can try my project getting these.
:AS393412 route: 192.5.106.0/24 descr: Monotype Imaging origin: AS393412 mnt-by: MAINT-AS27506 changed: rhinst [at] lightower.com 20140617 source: RADB last-modified: 2023-11-13T15:46:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source