These entries are queried from radb.net using whois, you can try my project getting these.
:AS263758 route: 161.238.252.0/22 descr: LACNIC generated route for Bolsa de Comercio de Santiago origin: AS263758 remarks: LACNIC generated route for Bolsa de Comercio de Santiago remarks: maxLength 22 mnt-by: MNT-CL-BCSA7-LACNIC changed: 20240308 source: LACNIC remarks: *************************************************** remarks: This object may have been modified remarks: For more information, please query whois.lacnic.net remarks: *************************************************** last-modified: 2024-03-08T15:00:05Z rpki-ov-state: valid route: 161.238.252.0/22 origin: AS263758 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: valid