These entries are queried from radb.net using whois, you can try my project getting these.
:AS11724 route: 199.83.32.0/21 descr: RCN Business Solutions + Micro Technologies origin: AS11724 mnt-by: MAINT-AS27506 changed: dataoperations [at] sidera.net 20130123 #20:33:07Z source: RADB last-modified: 2023-11-13T15:44:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.83.40.0/23 descr: RCN Business Solutions + Micro Technologies origin: AS11724 mnt-by: MAINT-AS27506 changed: dataoperations [at] sidera.net 20130123 #20:33:59Z source: RADB last-modified: 2023-11-13T15:44:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source