These entries are queried from radb.net using whois, you can try my project getting these.
:AS52451 route: 141.136.58.0/24 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS52451 notify: ipservices [at] columbus.co mnt-by: MAINT-AS23520 changed: gersain.rendon [at] cwc.com 20230308 source: RADB last-modified: 2023-11-13T16:15:23Z rpki-ov-state: valid route: 141.136.58.0/24 origin: AS52451 created: 2023-03-15T18:01:36Z last-modified: 2023-03-15T18:01:36Z source: RIPE mnt-by: mnt-ipbroker remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: valid route: 141.136.60.0/24 origin: AS52451 created: 2023-03-15T18:02:58Z last-modified: 2023-03-15T18:02:58Z source: RIPE mnt-by: mnt-ipbroker remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: valid route: 190.149.164.0/24 descr: LACNIC generated route for Telgua origin: AS52451 remarks: LACNIC generated route for Telgua remarks: maxLength 24 mnt-by: MNT-GT-TESA-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: 200.119.142.0/24 descr: LACNIC generated route for Telgua origin: AS52451 remarks: LACNIC generated route for Telgua remarks: maxLength 24 mnt-by: MNT-GT-TESA-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