These entries are queried from radb.net using whois, you can try my project getting these.
:AS199494 route: 83.142.216.0/21 descr: ZAMEKNET Network origin: AS199494 mnt-by: ZAMEKNET-MNT created: 2015-07-22T08:57:35Z last-modified: 2015-07-22T08:57:35Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route: 83.142.216.0/22 descr: ZAMEKNET Network origin: AS199494 mnt-by: ZAMEKNET-MNT created: 2015-04-27T13:54:03Z last-modified: 2015-04-27T13:54:03Z 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: 83.142.220.0/22 descr: ZAMEKNET Network origin: AS199494 mnt-by: ZAMEKNET-MNT created: 2015-07-22T08:57:49Z last-modified: 2015-07-22T08:57:49Z 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 route: 91.201.88.0/22 descr: ZAMEKNET Network origin: AS199494 mnt-by: ZAMEKNET-MNT created: 2013-02-25T11:26:28Z last-modified: 2013-02-25T11:26:28Z 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: 176.115.80.0/21 descr: ZAMEKNET Network origin: AS199494 mnt-by: ZAMEKNET-MNT created: 2015-07-22T08:58:11Z last-modified: 2015-07-22T08:58:11Z 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: 193.0.192.0/22 descr: ZAMEKNET Network origin: AS199494 mnt-by: ZAMEKNET-MNT created: 2015-07-22T08:58:04Z last-modified: 2015-07-22T08:58:04Z 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 route: 193.0.196.0/23 descr: ETTH.PL Network origin: AS199494 mnt-by: ZAMEKNET-MNT created: 2015-01-19T12:29:37Z last-modified: 2015-01-19T12:29:37Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route: 193.0.196.0/24 descr: ZAMEKNET Network origin: AS199494 mnt-by: ZAMEKNET-MNT created: 2014-11-28T07:53:44Z last-modified: 2014-11-28T07:53:44Z 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: 193.0.197.0/24 descr: ZAMEKNET Network origin: AS199494 mnt-by: ZAMEKNET-MNT created: 2014-11-28T07:54:52Z last-modified: 2014-11-28T07:54:52Z 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: 2a10:f781:10:bb3b::/64 origin: AS199494 descr: EPIX-LORA-ETTHBB mnt-by: EPOLUDNIE-MNT mnt-by: EPOLUDNIE-MP-MNT mnt-lower: EPOLUDNIE-MNT mnt-lower: EPOLUDNIE-MP-MNT created: 2022-05-16T07:01:19Z last-modified: 2022-05-16T07:01:19Z 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: not_found # No ROAs found, or RPKI validation not enabled for source