These entries are queried from radb.net using whois, you can try my project getting these.
:AS29319 route: 84.23.32.0/21 descr: Informational-measuring systems notify: admin [at] imsys.ru origin: AS29319 mnt-by: IMSYS-MNT created: 2023-03-16T06:29:11Z last-modified: 2023-03-16T06:29:11Z 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: valid route: 84.23.40.0/22 descr: Informational-measuring systems origin: AS29319 mnt-by: IMSYS-MNT created: 2023-03-16T06:38:43Z last-modified: 2023-03-16T06:38:43Z 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: valid route: 84.23.44.0/23 descr: Informational-measuring systems notify: admin [at] imsys.ru origin: AS29319 mnt-by: IMSYS-MNT created: 2023-03-16T06:50:02Z last-modified: 2023-03-16T06:50:02Z 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: valid route: 84.23.47.0/24 descr: Informational-measuring systems notify: admin [at] imsys.ru origin: AS29319 mnt-by: IMSYS-MNT created: 2023-11-23T14:10:03Z last-modified: 2023-11-23T14:10:03Z 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: valid route: 217.70.16.0/20 descr: Informational-measuring systems notify: admin [at] imsys.ru origin: AS29319 mnt-by: IMSYS-MNT created: 2003-07-31T10:37:35Z last-modified: 2004-03-18T12:09:59Z 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: valid route: 217.70.16.0/24 descr: Informational-measuring systems notify: admin [at] imsys.ru origin: AS29319 mnt-by: IMSYS-MNT created: 2024-03-11T18:10:22Z last-modified: 2024-03-11T18:10:22Z 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: valid route6: 2a03:96c0::/32 descr: Informational-measuring systems origin: AS29319 mnt-by: IMSYS-MNT created: 2012-12-10T13:32:01Z last-modified: 2012-12-10T13:32:01Z 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