These entries are queried from radb.net using whois, you can try my project getting these.
:AS206516 route: 45.8.140.0/23 origin: AS206516 mnt-by: PRORAIL-MNT created: 2021-07-12T12:06:27Z last-modified: 2021-07-12T12:06:27Z 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: valid route: 185.184.96.0/22 origin: AS206516 descr: ProRail B.V. mnt-by: PRORAIL-MNT mnt-lower: PRORAIL-MNT mnt-routes: PRORAIL-MNT org: ORG-PB123-RIPE notify: gertjan.deinema [at] prorail.nl created: 2018-09-19T14:20:06Z last-modified: 2018-09-19T14:20:58Z 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: 185.184.96.0/23 origin: AS206516 mnt-by: PRORAIL-MNT created: 2021-07-12T12:18:07Z last-modified: 2021-07-12T12:18:07Z 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: 185.184.98.0/23 origin: AS206516 mnt-by: PRORAIL-MNT created: 2021-07-12T12:18:47Z last-modified: 2021-07-12T12:18:47Z 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: 2a0b:3080::/32 origin: AS206516 mnt-by: PRORAIL-MNT created: 2021-07-14T04:45:12Z last-modified: 2021-07-14T04:45:12Z 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: valid route6: 2a0b:3080:10::/44 origin: AS206516 mnt-by: PRORAIL-MNT created: 2021-07-14T04:51:11Z last-modified: 2021-07-14T04:51:11Z 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 route6: 2a0b:3080:8010::/44 origin: AS206516 mnt-by: PRORAIL-MNT created: 2021-07-14T04:53:18Z last-modified: 2021-07-14T04:53:18Z 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: valid route6: 2a0e:8200::/29 origin: AS206516 mnt-by: PRORAIL-MNT created: 2021-07-14T04:54:31Z last-modified: 2021-07-14T04:54:31Z 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