These entries are queried from radb.net using whois, you can try my project getting these.
:AS272909 route6: 2801:1a9::/44 origin: AS272909 descr: ITX-CUSTOMER-MEDIACOMMERCE mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20221125 #14:48:23Z source: RADB last-modified: 2023-11-13T16:13:09Z rpki-ov-state: valid route6: 2801:1a9::/44 descr: LACNIC generated route6 for MUNICIPIO DE RIONEGRO ANTIOQUIA origin: AS272909 remarks: LACNIC generated route6 for MUNICIPIO DE RIONEGRO ANTIOQUIA remarks: maxLength 44 mnt-by: MNT-CO-ARDA3-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: 2024-03-05T22:15:06Z rpki-ov-state: valid route6: 2801:1a9:1::/48 origin: AS272909 descr: ITX-CUSTOMER-MEDIACOMMERCE mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20221221 #21:25:59Z source: RADB last-modified: 2023-11-13T16:13:14Z rpki-ov-state: valid route6: 2801:1a9:1::/48 descr: LACNIC generated route6 for MUNICIPIO DE RIONEGRO ANTIOQUIA origin: AS272909 remarks: LACNIC generated route6 for MUNICIPIO DE RIONEGRO ANTIOQUIA remarks: maxLength 48 mnt-by: MNT-CO-ARDA3-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: 2024-03-05T22:15:06Z rpki-ov-state: valid route6: 2801:1a9:2::/48 descr: LACNIC generated route6 for MUNICIPIO DE RIONEGRO ANTIOQUIA origin: AS272909 remarks: LACNIC generated route6 for MUNICIPIO DE RIONEGRO ANTIOQUIA remarks: maxLength 48 mnt-by: MNT-CO-ARDA3-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: 2024-03-05T22:15:06Z rpki-ov-state: valid