These entries are queried from radb.net using whois, you can try my project getting these.
:AS197233 route: 178.212.168.0/21 descr: Ventus s.c. Krzysztof Stawowczyk, Robert Honkisz origin: AS197233 mnt-by: MNT-EXATEL mnt-by: VENTUS-MNT created: 2011-03-27T11:35:59Z last-modified: 2017-09-06T09:25:25Z 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: 178.212.168.0/23 descr: Ventus s.c. Krzysztof Stawowczyk, Robert Honkisz origin: AS197233 mnt-by: VENTUS-MNT created: 2017-09-19T12:02:46Z last-modified: 2017-09-19T12:02:46Z 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: 178.212.172.0/23 descr: Ventus s.c. Krzysztof Stawowczyk, Robert Honkisz origin: AS197233 mnt-by: VENTUS-MNT created: 2017-09-19T12:03:42Z last-modified: 2017-09-19T12:03:42Z 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: 178.212.172.0/24 descr: Ventus s.c. Krzysztof Stawowczyk, Robert Honkisz origin: AS197233 mnt-by: MNT-EXATEL created: 2012-02-21T06:46:02Z last-modified: 2012-02-21T06:46:02Z 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 route: 178.212.175.0/24 descr: Ventus s.c. Krzysztof Stawowczyk, Robert Honkisz origin: AS197233 mnt-by: VENTUS-MNT created: 2017-09-19T12:07:21Z last-modified: 2017-09-19T12:07:21Z 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