These entries are queried from radb.net using whois, you can try my project getting these.
:AS209463 route: 193.24.251.0/24 descr: SPAR ICS descr: Letaliska 26 descr: 1000 Ljubljana descr: Slovenia origin: AS209463 mnt-by: at-spar-ics-1-mnt created: 2020-02-14T09:27:52Z last-modified: 2020-02-14T09:34:02Z 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