These entries are queried from radb.net using whois, you can try my project getting these.
:AS57452 route: 82.138.42.0/24 origin: AS57452 mnt-by: AS8732-MNT mnt-by: COMTV-MNT created: 2022-04-22T06:55:33Z last-modified: 2022-04-22T06:55:33Z 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: 91.232.12.0/22 descr: RU-ORG-SSC9-RIPE origin: AS57452 mnt-by: MNT-Summit-Systems created: 2011-11-09T20:33:10Z last-modified: 2011-11-09T20:33:10Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route: 91.232.12.0/24 origin: AS57452 mnt-by: MNT-Summit-Systems created: 2019-12-25T13:01:23Z last-modified: 2019-12-25T13:01:23Z 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 route: 91.235.26.0/24 origin: AS57452 mnt-by: LIDERTELECOM-mnt created: 2021-05-20T11:34:40Z last-modified: 2021-05-20T11:34:40Z 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: 212.45.27.0/24 origin: AS57452 mnt-by: AS8732-MNT created: 2020-03-10T14:07:35Z last-modified: 2020-03-10T14:07:35Z 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