These entries are queried from radb.net using whois, you can try my project getting these.
:AS48312 route: 91.202.234.0/23 descr: PJSC Alrosa Mirny origin: AS48312 mnt-by: Alrosa-MNT created: 2021-09-21T02:46:30Z last-modified: 2021-09-21T02:46:30Z 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: 91.202.234.0/24 descr: PJSC Alrosa Mirny origin: AS48312 mnt-by: Alrosa-MNT created: 2021-09-21T02:43:11Z last-modified: 2021-09-21T02:44:10Z 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: 91.202.235.0/24 descr: PJSC Alrosa Mirny origin: AS48312 mnt-by: Alrosa-MNT created: 2021-09-21T02:45:17Z last-modified: 2021-09-21T02:45:17Z 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: 91.207.140.0/23 descr: Alrosa AK Close corporation origin: AS48312 notify: itmos [at] alrosa.ru mnt-by: Alrosa-MNT created: 2008-11-10T14:52:40Z last-modified: 2019-12-27T08:43:02Z 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: 91.207.140.0/24 descr: Alrosa AK Close corporation origin: AS48312 notify: itmos [at] alrosa.ru mnt-by: Alrosa-MNT created: 2022-11-17T06:32:02Z last-modified: 2022-11-17T06:32:02Z 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: 91.207.141.0/24 descr: Alrosa AK Close corporation origin: AS48312 notify: itmos [at] alrosa.ru mnt-by: Alrosa-MNT created: 2022-11-17T06:32:02Z last-modified: 2022-11-17T06:32:02Z 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: 194.26.116.0/24 descr: PJSC ALROSA origin: AS48312 mnt-by: Alrosa-MNT created: 2021-07-13T09:55:54Z last-modified: 2021-07-13T09:57:56Z 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