These entries are queried from radb.net using whois, you can try my project getting these.
:AS393751 route: 192.81.167.0/24 descr: Berks County PA origin: AS393751 mnt-by: MAINT-AS27506 changed: daniel.depaulis [at] crowncastle.com 20220610 source: RADB last-modified: 2023-11-13T16:11:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source