These entries are queried from radb.net using whois, you can try my project getting these.
:AS41974 route: 45.87.64.0/22 origin: AS41974 mnt-by: mnt-it-amilon-1 created: 2019-06-14T09:58:43Z last-modified: 2019-06-14T09:58:43Z 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: 194.113.88.0/22 origin: AS41974 mnt-by: it-neten-1-mnt created: 2019-02-07T17:10:33Z last-modified: 2019-02-07T17:10:33Z 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: 2a07:df00::/29 origin: AS41974 mnt-by: it-neten-1-mnt created: 2019-02-07T17:11:18Z last-modified: 2019-02-07T17:11:18Z 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: not_found # No ROAs found, or RPKI validation not enabled for source