These entries are queried from radb.net using whois, you can try my project getting these.
:AS263756 route: 45.188.212.0/23 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS263756 notify: ipservices [at] cwc.com mnt-by: MAINT-AS23520 changed: giovanna.castro [at] cwc.com 20220804 source: RADB last-modified: 2023-11-13T16:12:04Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.188.212.0/24 descr: LACNIC generated route for LOPEZ CRISTIAN LEONARDO origin: AS263756 remarks: LACNIC generated route for LOPEZ CRISTIAN LEONARDO remarks: maxLength 24 mnt-by: MNT-AR-LCLE-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 route: 138.204.40.0/22 origin: AS263756 descr: Globenet Customer - Ufinet - Linkup Internet SRL mnt-by: MAINT-AS52320 changed: leonardo.almeida [at] globenet.net 20210531 #16:15:28Z source: RADB last-modified: 2023-11-13T16:05:47Z rpki-ov-state: valid route: 138.204.40.0/22 descr: LACNIC generated route for LINKUP INTERNET SRL origin: AS263756 remarks: LACNIC generated route for LINKUP INTERNET SRL remarks: maxLength 24 mnt-by: MNT-AR-LISR5-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 route: 138.204.41.0/24 origin: AS263756 descr: Globenet Customer - Ufinet - Linkup Internet SRL mnt-by: MAINT-AS52320 changed: leonardo.almeida [at] globenet.net 20210531 #03:55:49Z source: RADB last-modified: 2023-11-13T16:05:47Z rpki-ov-state: valid route: 138.204.42.0/24 origin: AS263756 descr: Globenet Customer - Ufinet - Linkup Internet SRL mnt-by: MAINT-AS52320 changed: leonardo.almeida [at] globenet.net 20210531 #03:56:38Z source: RADB last-modified: 2023-11-13T16:05:47Z rpki-ov-state: valid route: 201.234.253.0/24 descr: LACNIC generated route for IMPSAT FIBER NETWORKS INC origin: AS263756 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: 206.85.16.0/22 origin: AS263756 descr: Route Registered for Cogent Communications Customer - Linkup Internet SRL geoidx: AR mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20220926 #15:44:42Z source: RADB last-modified: 2023-11-13T16:12:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2803:ba40::/32 descr: LACNIC generated route6 for LINKUP INTERNET SRL origin: AS263756 remarks: LACNIC generated route6 for LINKUP INTERNET SRL remarks: maxLength 48 mnt-by: MNT-AR-LISR5-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 route6: 2803:ba40::/32 origin: AS263756 descr: LINK UP mnt-by: MAINT-AS52468 changed: rperales [at] ufinet.com 20201015 #16:29:29Z source: RADB last-modified: 2023-11-13T16:08:35Z rpki-ov-state: valid