These entries are queried from radb.net using whois, you can try my project getting these.
:AS204635 route: 91.213.37.0/24 origin: AS204635 mnt-by: nl-dienstwegverkeer-1-mnt created: 2019-01-29T14:25:05Z last-modified: 2020-04-29T06:42:19Z 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: 185.244.196.0/22 origin: AS204635 mnt-by: nl-dienstwegverkeer-1-mnt created: 2018-04-20T21:14:35Z last-modified: 2020-04-29T06:37:22Z 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 route: 185.244.196.0/24 origin: AS204635 mnt-by: nl-dienstwegverkeer-1-mnt created: 2018-05-14T16:44:24Z last-modified: 2020-04-29T06:29:07Z 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: 185.244.197.0/24 origin: AS204635 mnt-by: nl-dienstwegverkeer-1-mnt created: 2018-05-14T16:45:22Z last-modified: 2024-03-18T09:33:34Z 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: 185.244.198.0/24 origin: AS204635 mnt-by: nl-dienstwegverkeer-1-mnt created: 2018-05-14T16:45:58Z last-modified: 2024-03-18T09:32:56Z 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: 185.244.199.0/24 origin: AS204635 mnt-by: nl-dienstwegverkeer-1-mnt created: 2018-05-14T16:46:31Z last-modified: 2024-03-18T09:34:15Z 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: 2001:67c:26ac::/48 origin: AS204635 mnt-by: nl-dienstwegverkeer-1-mnt created: 2021-11-16T09:51:26Z last-modified: 2021-11-16T09:51:26Z 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: 2a0d:3d80::/29 origin: AS204635 mnt-by: nl-dienstwegverkeer-1-mnt created: 2018-04-20T21:16:00Z last-modified: 2020-04-29T06:41:50Z 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