These entries are queried from radb.net using whois, you can try my project getting these.
:AS47128 route: 92.43.144.0/21 descr: PL-T-NOVUM origin: AS47128 mnt-by: MNT-NOVUM created: 2008-06-05T08:36:29Z last-modified: 2009-03-25T09:50:12Z 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: 92.43.144.0/22 descr: PL-T-NOVUM origin: AS47128 mnt-by: MNT-NOVUM created: 2009-12-13T22:19:22Z last-modified: 2009-12-13T22:19:22Z 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: 92.43.147.0/24 origin: AS47128 mnt-by: MNT-NOVUM created: 2017-01-20T07:07:59Z last-modified: 2017-01-20T07:07:59Z 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: 92.43.148.0/24 descr: PL-T-NOVUM origin: AS47128 mnt-by: MNT-NOVUM created: 2009-12-13T22:20:37Z last-modified: 2009-12-13T22:20:37Z 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: not_found # No ROAs found, or RPKI validation not enabled for source