These entries are queried from radb.net using whois, you can try my project getting these.
:AS51668 route: 91.221.16.0/23 descr: JSC "PIK Group" origin: AS51668 mnt-by: PIK-MNT created: 2010-10-27T10:01:01Z last-modified: 2021-04-22T10:30:53Z 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: 91.221.17.0/24 descr: CRM Morton Route origin: AS51668 mnt-by: MORTON-MNT created: 2015-09-14T18:35:00Z last-modified: 2015-09-14T18:35:00Z 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: not_found # No ROAs found, or RPKI validation not enabled for source