These entries are queried from radb.net using whois, you can try my project getting these.
:AS204857 route6: 2a07:54c2:b00b::/48 descr: BerryByte Limited origin: AS204857 mnt-by: khr-mnt created: 2022-08-01T00:15:52Z last-modified: 2022-08-01T00:15:52Z 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: 2a0a:6040:b000::/40 origin: AS204857 mnt-by: berrybyte-mnt created: 2022-12-13T10:55:21Z last-modified: 2022-12-13T10:55:21Z 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: 2a0a:6040:b010::/48 origin: AS204857 mnt-by: kitten-mnt created: 2022-12-15T02:28:02Z last-modified: 2022-12-15T02:28:02Z 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: 2a0a:6040:b030::/44 origin: AS204857 mnt-by: kitten-mnt created: 2023-01-19T04:06:13Z last-modified: 2023-01-19T04:06:13Z 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