These entries are queried from radb.net using whois, you can try my project getting these.
:AS29024 route: 91.189.40.0/21 descr: Ballou origin: AS29024 mnt-by: BALLOU-MNT created: 2007-03-26T09:16:44Z last-modified: 2007-03-26T09:16:44Z 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: 185.3.48.0/22 descr: Ballou origin: AS29024 mnt-by: BALLOU-MNT created: 2012-11-08T08:34:38Z last-modified: 2012-11-08T08:34:38Z 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: 185.187.252.0/22 origin: AS29024 mnt-by: IA4320-RIPE mnt-by: BALLOU-MNT mnt-by: PL0512-MNT created: 2021-02-24T10:02:45Z last-modified: 2021-08-27T07:10:10Z 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: 192.195.148.0/24 origin: AS29024 mnt-by: BALLOU-MNT created: 2016-10-20T11:59:22Z last-modified: 2016-10-20T12:08:00Z source: RIPE notify: ripe [at] ballou.se 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