These entries are queried from radb.net using whois, you can try my project getting these.
:AS396459 route: 199.248.240.0/24 origin: AS396459 descr: 1174 Elk Street PO Box 831 Franklin PA 16323 United States admin-c: BRICK80-ARIN tech-c: BRM33-ARIN mnt-by: MNT-VC-814 created: 2021-06-21T18:49:57Z last-modified: 2021-06-21T18:49:57Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source