These entries are queried from radb.net using whois, you can try my project getting these.
:AS51690 route: 91.220.33.0/24 descr: APPLIEDTECH AS route origin: AS51690 mnt-by: ROSPRINT-NCC created: 2010-12-15T07:05:13Z last-modified: 2010-12-15T07:05:13Z 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: 185.9.200.0/23 descr: ATL-NET-CHE-ROUTE origin: AS51690 mnt-by: ATL-MNT created: 2012-11-13T11:26:09Z last-modified: 2012-11-13T11:26:09Z 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: valid route: 185.9.202.0/24 descr: ATL-NET-CHE-ROUTE origin: AS51690 mnt-by: ATL-MNT created: 2012-11-22T05:37:22Z last-modified: 2023-02-09T11:31:18Z 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: 185.9.203.0/24 descr: ATL-NET-CHE-ROUTE origin: AS51690 mnt-by: ATL-MNT created: 2013-09-06T05:11:45Z last-modified: 2023-02-09T11:30:13Z 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: 2a03:52c0:1::/48 descr: ATL-V6NET-CHE-ROUTE origin: AS51690 mnt-by: ATL-MNT notify: noc [at] appliedtech.ru created: 2012-11-13T18:35:30Z last-modified: 2012-11-13T18:35:30Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2a03:52c0:11::/48 descr: ATL-V6NET-MSS-ROUTE origin: AS51690 mnt-by: ATL-MNT created: 2014-02-10T08:07:26Z last-modified: 2014-02-10T08:07:26Z 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: not_found # No ROAs found, or RPKI validation not enabled for source