These entries are queried from radb.net using whois, you can try my project getting these.
:AS199504 route6: 2a0a:6040:b500::/40 origin: AS199504 mnt-by: CHIUYAU-MNT mnt-by: CLOUDIE-MNT created: 2023-03-10T12:28:20Z last-modified: 2023-03-10T12:28:20Z 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:b501::/48 origin: AS199504 descr: CHIUYAU.NET mnt-by: CHIUYAU-MNT created: 2023-03-29T14:06:05Z last-modified: 2023-03-29T14:06:05Z 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 route6: 2a0a:6040:b502::/48 origin: AS199504 descr: CHIUYAU.NET mnt-by: CHIUYAU-MNT created: 2023-03-29T14:15:49Z last-modified: 2023-03-29T14:15:49Z 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:b503::/48 origin: AS199504 descr: CHIUYAU.NET mnt-by: CHIUYAU-MNT created: 2023-03-29T14:15:54Z last-modified: 2023-03-29T14:15:54Z 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 route6: 2a0a:6040:b504::/48 origin: AS199504 descr: CHIUYAU.NET mnt-by: CHIUYAU-MNT created: 2023-03-29T14:15:59Z last-modified: 2023-03-29T14:15:59Z 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:b505::/48 origin: AS199504 descr: CHIUYAU.NET mnt-by: CHIUYAU-MNT created: 2023-03-29T14:16:04Z last-modified: 2023-03-29T14:16:04Z 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