These entries are queried from radb.net using whois, you can try my project getting these.
:AS47097 route: 198.96.241.0/24 descr: SDN Communications on behalf of Ameripharm Inc origin: AS47097 mnt-by: MAINT-AS13576 changed: chris.schuette [at] sdncommunications.com 20141028 source: RADB last-modified: 2023-11-13T15:46:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source