These entries are queried from radb.net using whois, you can try my project getting these.
:AS51892 route: 185.168.184.0/23 origin: AS51892 mnt-by: ru-voentelecom-1-mnt created: 2016-09-30T17:35:53Z last-modified: 2016-09-30T17:35:53Z 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: 185.168.186.0/24 origin: AS51892 mnt-by: ru-voentelecom-1-mnt created: 2016-09-30T17:36:23Z last-modified: 2016-09-30T17:36:23Z 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 route6: 2a0a:1b00::/32 origin: AS51892 mnt-by: MNT-VOENTELECOM mnt-by: ru-voentelecom-1-mnt created: 2018-12-08T06:05:49Z last-modified: 2018-12-08T06:05:49Z 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 route6: 2a0a:1b07::/32 origin: AS51892 mnt-by: MNT-VOENTELECOM mnt-by: ru-voentelecom-1-mnt created: 2018-12-08T06:06:18Z last-modified: 2018-12-08T06:06:18Z 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