These entries are queried from radb.net using whois, you can try my project getting these.
:AS211867 route: 31.40.142.0/24 descr: pool-all_incl notify: korvin2000 [at] gmail.com origin: AS211867 mnt-by: MTRX-ALCHEVSK-MNT mnt-by: KOR4-MNT created: 2021-02-10T08:07:23Z last-modified: 2021-02-10T08:07:23Z 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