These entries are queried from radb.net using whois, you can try my project getting these.
:AS44705 route: 81.91.189.0/24 descr: ONS Route origin: AS44705 mnt-by: RU-ANDERS-MNT created: 2017-03-31T12:58:33Z last-modified: 2017-03-31T12:58:33Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route: 185.175.128.0/22 origin: AS44705 mnt-by: ru-ons-1-mnt created: 2017-05-03T13:30:20Z last-modified: 2017-05-03T13:30:20Z 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: 188.124.240.0/22 origin: AS44705 mnt-by: ru-ons-1-mnt created: 2017-07-01T15:27:52Z last-modified: 2017-07-01T15:27:52Z 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