These entries are queried from radb.net using whois, you can try my project getting these.
:AS16373 route: 193.148.246.0/24 descr: CEPSA origin: AS16373 mnt-by: CEPSA-MNT created: 1970-01-01T00:00:00Z last-modified: 2001-09-22T09:33:45Z 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