These entries are queried from radb.net using whois, you can try my project getting these.
:AS54342 route: 199.91.108.0/22 descr: RNHN origin: AS54342 mnt-by: MAINT-AS15108 changed: jvolz [at] allophone.net 20170328 #14:33:45Z source: RADB last-modified: 2023-11-13T15:50:56Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source