These entries are queried from radb.net using whois, you can try my project getting these.
:AS33201 route: 23.142.112.0/24 descr: Tilver Enterprises, LLC origin: AS33201 mnt-by: MNT-TEL-20 changed: josmon [at] rigozsaurus.com 20191022 source: ARIN rpki-ov-state: valid route6: 2602:800:e000::/44 descr: Tilver Enterprises, LLC origin: AS33201 mnt-by: MNT-TEL-20 changed: josmon [at] rigozsaurus.com 20191022 source: ARIN rpki-ov-state: valid