These entries are queried from radb.net using whois, you can try my project getting these.
:AS211990 route: 87.107.145.0/24 org: ORG-SAVC1-RIPE origin: AS211990 mnt-by: SINET-MNT created: 2021-03-08T11:00:05Z last-modified: 2021-03-08T11:11:11Z 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