These entries are queried from radb.net using whois, you can try my project getting these.
:AS29290 route6: 2a00:f10:141::/48 descr: CLDIN Out-of-Band AMS02 origin: AS29290 mnt-by: PCEXTREME-MNT created: 2021-07-08T13:26:39Z last-modified: 2021-07-08T14:27:08Z 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: 2a0b:8f80:100::/48 descr: CLDIN Out-of-Band AMS04 origin: AS29290 mnt-by: CLDIN-MNT created: 2021-07-08T14:23:16Z last-modified: 2022-09-12T07:54:16Z 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: 2a0b:8f80:101::/48 descr: CLDIN Out-of-Band HAA01 origin: AS29290 mnt-by: PCEXTREME-MNT created: 2021-07-08T14:22:45Z last-modified: 2021-07-08T14:27:09Z 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 route6: 2a0b:8f80:102::/48 descr: CLDIN Out-of-Band AMS01 origin: AS29290 mnt-by: CLDIN-MNT created: 2021-07-08T14:22:10Z last-modified: 2022-09-12T07:44:41Z 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: 2a0b:8f80:103::/48 descr: CLDIN AS29290 Interconnect origin: AS29290 mnt-by: CLDIN-MNT created: 2021-07-19T12:03:36Z last-modified: 2022-09-12T07:44:56Z 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 route6: 2a0b:8f80:104::/48 descr: CLDIN Out-of-Band AMS03 origin: AS29290 mnt-by: CLDIN-MNT created: 2022-09-06T09:19:37Z last-modified: 2022-09-06T09:19:37Z 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