These entries are queried from radb.net using whois, you can try my project getting these.
:AS54768 route: 199.88.136.0/23 descr: Myheritage origin: AS54768 mnt-by: MNT-MU-14 changed: lir [at] oasis-tech.net 20150303 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.88.136.0/23 descr: VW-CUST-86478 origin: AS54768 mnt-by: MAINT-FLEXENTIAL changed: routing [at] viawest.net 20150221 #17:36:31Z source: RADB last-modified: 2023-11-13T15:57:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source