These entries are queried from radb.net using whois, you can try my project getting these.
:AS397321 route: 23.177.160.0/24 origin: AS397321 descr: Providence University College & Theological Seminary 10 College Crescent Otterburne MB R0A 1G0 Canada admin-c: WIENS12-ARIN tech-c: WIENS12-ARIN mnt-by: MNT-PUCTS created: 2021-07-08T22:30:51Z last-modified: 2021-07-08T22:47:22Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:68:6000::/48 origin: AS397321 descr: Providence University College & Theological Seminary 10 College Crescent Otterburne MB R0A 1G0 Canada admin-c: WIENS12-ARIN tech-c: WIENS12-ARIN mnt-by: MNT-PUCTS created: 2021-07-08T22:29:51Z last-modified: 2021-07-08T22:47:22Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source