These entries are queried from radb.net using whois, you can try my project getting these.
:AS211967 route: 46.229.53.0/24 descr: INFOSYSTEMS origin: AS211967 mnt-by: INFOSYSTEMS-MNT created: 2021-01-21T15:29:57Z last-modified: 2021-01-21T15:29:57Z 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