These entries are queried from radb.net using whois, you can try my project getting these.
:AS34997 route: 45.87.156.0/23 origin: AS34997 mnt-by: INWX-MNT created: 2021-06-02T10:11:55Z last-modified: 2021-06-02T10:11:55Z 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: 45.87.156.0/24 origin: AS34997 mnt-by: INWX-MNT created: 2022-12-22T09:50:50Z last-modified: 2022-12-22T09:50:50Z 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 route: 45.87.158.0/24 origin: AS34997 mnt-by: INWX-MNT created: 2021-04-21T14:25:59Z last-modified: 2021-04-21T14:25:59Z 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 route: 45.87.159.0/24 origin: AS34997 mnt-by: INWX-MNT created: 2021-04-21T14:51:16Z last-modified: 2021-04-21T14:51:16Z 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