These entries are queried from radb.net using whois, you can try my project getting these.
:AS34643 route: 5.253.180.0/22 origin: AS34643 mnt-by: mnt-pt-weprovide-1 mnt-by: MNT-ALMOUROLTEC created: 2020-07-02T14:10:05Z last-modified: 2024-03-15T00:51:16Z 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