These entries are queried from radb.net using whois, you can try my project getting these.
:AS51783 route: 85.143.168.0/22 descr: DEDIC-CENTER-NETWORK descr: Pirix DEDIC Project origin: AS51783 notify: info [at] smart-dedic.ru notify: team [at] pirix.ru mnt-by: INFR-MNT created: 2022-03-10T08:04:39Z last-modified: 2022-03-10T08:04:39Z 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: 85.143.188.0/23 descr: DEDIC-CENTER-NETWORK descr: Pirix DEDIC Project origin: AS51783 notify: info [at] smart-dedic.ru notify: noc [at] comfortel.pro mnt-by: RUNNET-MNT created: 2014-05-13T07:50:13Z last-modified: 2015-01-26T16:11:26Z 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: 91.221.70.0/23 descr: www.dedic-center.ru origin: AS51783 mnt-by: DEDIC-CENTER-MNT created: 2010-12-07T13:28:55Z last-modified: 2014-10-04T10:09:09Z 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: 185.189.132.0/22 origin: AS51783 mnt-by: DEDIC-MNT mnt-by: DEDIC-CENTER-MNT created: 2017-02-15T19:21:11Z last-modified: 2017-02-15T19:21:11Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2a04:ac00:3::/48 origin: AS51783 mnt-by: CMFT-MNT created: 2016-07-08T20:07:03Z last-modified: 2021-04-20T10:03:57Z 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: 2a0b:e980::/29 origin: AS51783 mnt-by: DEDIC-CENTER-MNT mnt-by: DEDIC-MNT created: 2018-08-21T19:35:48Z last-modified: 2018-08-21T19:35:48Z 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