These entries are queried from radb.net using whois, you can try my project getting these.
:AS204512 route: 157.97.75.0/24 origin: AS204512 mnt-by: TPIP-MNT created: 2019-07-22T10:11:01Z last-modified: 2019-07-22T10:11:01Z 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: 2a0e:9000::/32 origin: AS204512 mnt-by: de-1ncegmbh-1-mnt created: 2019-08-30T10:43:38Z last-modified: 2019-08-30T10:43:38Z 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: 2a0e:9000:1::/48 origin: AS204512 mnt-by: de-1ncegmbh-1-mnt created: 2020-12-21T17:21:00Z last-modified: 2020-12-21T17:21:00Z 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: 2a0e:9000:2::/48 origin: AS204512 mnt-by: de-1ncegmbh-1-mnt created: 2021-01-04T11:47:49Z last-modified: 2021-01-04T11:47:49Z 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