These entries are queried from radb.net using whois, you can try my project getting these.
:AS50349 route: 91.214.0.0/22 descr: TIMPLUS-NETWORK origin: AS50349 mnt-by: FORWEB-MNT mnt-by: AS33951-MNT mnt-by: pl-timplus-1-mnt created: 2012-01-27T11:01:26Z last-modified: 2018-07-03T11:31:38Z 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 route: 91.240.248.0/22 descr: BOLNET-NET origin: AS50349 mnt-by: BOLNET-MNT created: 2012-08-07T13:45:25Z last-modified: 2012-08-07T13:45:25Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route: 93.190.36.0/22 descr: TIMPLUS Sp.j. origin: AS50349 mnt-by: pl-timplus-1-mnt created: 2018-07-03T11:43:51Z last-modified: 2019-04-11T09:55:00Z 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 route: 193.150.21.0/24 descr: BOLNET-NET origin: AS50349 mnt-by: BOLNET-MNT created: 2012-08-08T11:08:05Z last-modified: 2012-08-08T11:08:05Z 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: 217.11.128.0/22 descr: PL-TIMPLUS-CUSTOMERS origin: AS50349 mnt-by: FORWEB-MNT created: 2014-05-06T22:35:30Z last-modified: 2014-05-06T22:35:30Z 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:f781:10:6bff::/64 origin: AS50349 descr: EPIX-LORA-TIMPLUSKIE mnt-by: EPOLUDNIE-MNT mnt-by: EPOLUDNIE-MP-MNT mnt-lower: EPOLUDNIE-MNT mnt-lower: EPOLUDNIE-MP-MNT created: 2022-05-16T07:10:27Z last-modified: 2022-05-16T07:10:27Z 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