These entries are queried from radb.net using whois, you can try my project getting these.
:AS32643 route: 192.75.0.0/24 descr: NET-192-75-0-0-1 origin: AS32643 notify: sys.admin [at] acsalaska.net mnt-by: MAINT-ACS changed: tom.simes [at] acsalaska.net 20150216 #20:50:53Z source: RADB last-modified: 2023-11-13T15:47:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source