These entries are queried from radb.net using whois, you can try my project getting these.
:AS52010 route: 91.221.188.0/24 descr: STAVCOM-NET org: ORG-LS521-RIPE origin: AS52010 mnt-by: RED-MNT created: 2014-03-05T17:55:56Z last-modified: 2023-12-28T21:47:59Z 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: 91.221.189.0/24 descr: STAVCOM-NET origin: AS52010 mnt-by: RED-MNT created: 2014-03-05T17:55:21Z last-modified: 2019-10-26T11:34:55Z 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