These entries are queried from radb.net using whois, you can try my project getting these.
:AS39371 route: 45.129.60.0/22 origin: AS39371 mnt-by: mnt-nl-comaxx-1 created: 2019-09-13T09:50:05Z last-modified: 2019-09-13T09:50:05Z 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: 185.99.204.0/22 descr: Acknowledge Benelux B.V. descr: a.k.a. Acknowledge Business Cloud descr: a.k.a. Acknowledge Cloud origin: AS39371 mnt-by: AS200569-MNT created: 2021-11-19T13:54:13Z last-modified: 2021-11-19T13:54:13Z 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: 2a06:1480::/29 descr: Acknowledge Benelux B.V. descr: a.k.a. Acknowledge Business Cloud descr: a.k.a. Acknowledge Cloud origin: AS39371 mnt-by: AS200569-MNT created: 2021-11-19T13:53:02Z last-modified: 2021-11-19T13:53:02Z 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 route6: 2a0e:44c0::/29 origin: AS39371 mnt-by: mnt-nl-comaxx-1 created: 2019-09-13T09:51:36Z last-modified: 2019-09-13T09:51:36Z 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