These entries are queried from radb.net using whois, you can try my project getting these.
:AS208229 route: 89.29.250.0/23 origin: AS208229 mnt-by: PRODUCMEDIA-MNT mnt-by: MNT-IGM3 created: 2020-07-08T16:15:51Z last-modified: 2020-07-08T16:15:51Z 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: 185.228.64.0/22 origin: AS208229 mnt-by: es-opegal-1-mnt mnt-by: BRNET-MNT created: 2019-10-11T10:13:41Z last-modified: 2021-02-20T21:24:54Z 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: 185.250.196.0/23 origin: AS208229 mnt-by: PRODUCMEDIA-MNT mnt-by: MNT-IGM3 created: 2020-07-08T16:16:50Z last-modified: 2020-07-08T16:16:50Z 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 route6: 2a0f:1c40::/29 origin: AS208229 mnt-by: es-opegal-1-mnt mnt-by: BRNET-MNT created: 2019-10-30T08:41:31Z last-modified: 2021-02-20T21:26:09Z 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