These entries are queried from radb.net using whois, you can try my project getting these.
:AS44265 route: 5.145.160.0/21 descr: RU-SMOLTELECOM-NET origin: AS44265 mnt-by: MNT-SMOLTELECOM created: 2012-07-18T09:27:49Z last-modified: 2012-07-18T09:27:49Z 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 route: 5.145.192.0/18 descr: RU-SMOLTELECOM-NET origin: AS44265 mnt-by: MNT-SMOLTELECOM created: 2012-07-18T09:26:53Z last-modified: 2012-07-18T09:26:53Z 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: 37.44.40.0/21 descr: RU-SMOLTELECOM-NET origin: AS44265 mnt-by: MNT-SMOLTELECOM created: 2012-01-17T07:19:18Z last-modified: 2012-01-17T07:19:18Z 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 route: 92.241.96.0/19 descr: RU-SMOLTELECOM-NET origin: AS44265 mnt-by: MNT-SMOLTELECOM created: 2008-03-12T08:52:39Z last-modified: 2008-03-12T08:52:39Z 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: 185.180.160.0/22 descr: SMOLTELECOM-NET origin: AS44265 remarks: mnt-by: MNT-SMOLTELECOM created: 2018-02-12T09:03:30Z last-modified: 2018-10-01T09:18:27Z 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