These entries are queried from radb.net using whois, you can try my project getting these.
:AS3273 route: 66.231.64.0/24 descr: LACNIC generated route for GIGAIPNET S.A.S. B.I.C. origin: AS3273 remarks: LACNIC generated route for GIGAIPNET S.A.S. B.I.C. remarks: maxLength 24 mnt-by: MNT-CO-GIIN1-LACNIC changed: 20240305 source: LACNIC remarks: *************************************************** remarks: This object may have been modified remarks: For more information, please query whois.lacnic.net remarks: *************************************************** last-modified: 2024-03-05T19:15:06Z rpki-ov-state: valid