These entries are queried from radb.net using whois, you can try my project getting these.
:AS394066 route: 136.175.156.0/23 origin: AS394066 descr: Chugwater Telecom P.O. Box 223 Chugwater WY 82210 United States admin-c: JMO68-ARIN tech-c: DUNND83-ARIN tech-c: JAYNE37-ARIN mnt-by: MNT-CT-548 created: 2020-12-15T22:40:37Z last-modified: 2023-10-27T16:37:50Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.48.61.0/24 descr: The Chugwater Telephone Company descr: P.O. Box 223 descr: Chugwater WY 82210 descr: US origin: AS394066 mnt-by: MNT-CT-548 changed: lar [at] mwtcorp.net 20180606 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source