These entries are queried from radb.net using whois, you can try my project getting these.
:AS21487 route: 46.48.128.0/20 descr: Sakhatelecom, Yakutsk origin: AS21487 notify: alex_cooler [at] sakha.ru mnt-by: SAKHA-MNT created: 2017-06-07T02:56:13Z last-modified: 2017-06-07T02:56:13Z source: RIPE 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: 78.31.216.0/21 origin: AS21487 mnt-by: ROSTELECOM-MNT created: 2021-04-30T13:14:13Z last-modified: 2021-04-30T13:14:13Z source: RIPE 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: not_found # No ROAs found, or RPKI validation not enabled for source route: 80.73.64.0/19 descr: Sakhatelecom origin: AS21487 notify: alex_cooler [at] sakha.ru mnt-routes: ROSTELECOM-MNT mnt-by: sakha-MNT created: 2004-01-22T07:26:31Z last-modified: 2018-10-22T06:23:29Z source: RIPE 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: 80.73.64.0/20 descr: Sakhatelecom mnt-routes: ROSTELECOM-MNT origin: AS21487 notify: alex_cooler [at] sakha.ru mnt-by: sakha-MNT created: 2002-03-06T09:05:45Z last-modified: 2017-04-20T01:45:44Z source: RIPE 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: 80.73.80.0/20 origin: AS21487 descr: Sakhatelecom notify: alex_cooler [at] sakha.ru mnt-by: SAKHA-MNT created: 2018-10-22T06:21:31Z last-modified: 2018-10-22T06:21:31Z source: RIPE 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: 91.185.224.0/19 descr: Sakhatelecom origin: AS21487 notify: alex_cooler [at] sakha.ru notify: oleg [at] sakha.ru mnt-by: SAKHA-MNT created: 2006-11-10T09:35:02Z last-modified: 2006-11-10T09:35:02Z source: RIPE 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: 91.185.240.0/20 descr: Sakhatelecom origin: AS21487 mnt-by: SAKHA-MNT created: 2018-11-15T06:51:48Z last-modified: 2018-11-15T06:51:48Z source: RIPE 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: 94.245.128.0/18 mnt-routes: ROSTELECOM-MNT descr: Sakhatelecom, Yakutsk origin: AS21487 notify: alex_cooler [at] sakha.ru mnt-by: SAKHA-MNT created: 2008-11-07T10:13:32Z last-modified: 2017-06-08T06:55:37Z source: RIPE 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: 94.245.128.0/19 mnt-routes: ROSTELECOM-MNT descr: Sakhatelecom, Yakutsk origin: AS21487 notify: alex_cooler [at] sakha.ru mnt-by: SAKHA-MNT created: 2008-11-17T23:44:12Z last-modified: 2017-06-08T06:56:33Z source: RIPE 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: 94.245.136.0/22 descr: Sakhatelecom origin: AS21487 mnt-by: SAKHA-MNT created: 2018-11-15T07:06:46Z last-modified: 2018-11-15T07:06:46Z source: RIPE 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