These entries are queried from radb.net using whois, you can try my project getting these.
:AS47938 route: 31.211.56.0/23 descr: Trydes Ltd. Network origin: AS47938 mnt-by: RAID-MNT created: 2019-11-01T01:32:39Z last-modified: 2020-09-01T05:03:33Z 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