These entries are queried from radb.net using whois, you can try my project getting these.
:AS31930 route: 142.137.0.0/16 descr: Ecole de Technologie Superieure (ETS) origin: AS31930 member-of: AS376:RS-GigaPoP remarks: notify: ipadm [at] risq.quebec mnt-by: MAINT-AS376 changed: ipadm [at] risq.quebec 20181113 source: RADB last-modified: 2023-11-13T15:59:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source