These entries are queried from radb.net using whois, you can try my project getting these.
:AS271871 route: 148.143.127.0/24 origin: AS271871 descr: ITX-CUSTOMER-ENTEL mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20211019 #19:30:00 source: RADB last-modified: 2023-11-13T16:08:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 148.143.127.0/24 origin: AS271871 mnt-by: MNT-Engie_energia_Chile mnt-by: MNT-ENGIE created: 2021-03-12T15:16:29Z last-modified: 2021-03-12T15:16:29Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source