These entries are queried from radb.net using whois, you can try my project getting these.
:AS396470 route: 192.203.222.0/23 origin: AS396470 descr: Lansing Community College admin-c: LNTP-ARIN tech-c: LNTP-ARIN mnt-by: MNT-LCC-17 created: 2020-11-25T18:01:36Z last-modified: 2020-11-25T18:01:36Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.203.222.0/24 origin: AS396470 descr: Lansing Community College admin-c: LNTP-ARIN tech-c: LNTP-ARIN mnt-by: MNT-LCC-17 created: 2020-11-25T19:12:37Z last-modified: 2020-11-25T19:12:37Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.203.223.0/24 origin: AS396470 descr: Lansing Community College admin-c: LNTP-ARIN tech-c: LNTP-ARIN mnt-by: MNT-LCC-17 created: 2020-11-25T19:13:03Z last-modified: 2020-11-25T19:13:03Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source