These entries are queried from radb.net using whois, you can try my project getting these.
:AS27872 route: 201.234.229.0/24 descr: LACNIC generated route for IMPSAT FIBER NETWORKS INC origin: AS27872 remarks: LACNIC generated route for IMPSAT FIBER NETWORKS INC remarks: maxLength 24 mnt-by: MNT-AR-IMCO13-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: 2024-03-05T22:15:05Z rpki-ov-state: valid route: 201.234.229.0/24 descr: Universidad Dr Rafael Belloso remarks: Proxy registered route origin: AS27872 mnt-by: MAINT-JOB changed: admin [at] impsat.com 20061201 changed: job [at] ntt.net 20170123 remarks: This object exists to prevent collateral damage for NTT customers after Centurylink deprecated the SAVVIS IRR in November 2016. source: NTTCOM rpki-ov-state: valid