These entries are queried from radb.net using whois, you can try my project getting these.
:AS394949 route: 52.119.44.0/22 descr: Route in altdb for auto import by level3 origin: AS394949 mnt-by: MAINT-AS32748 changed: admin [at] steadfast.net 20210205 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 52.119.44.0/22 origin: AS394949 mnt-by: MNT-FN-16 tech-c: FUSED-ARIN admin-c: FUSED-ARIN source: ARIN created: 2020-07-08T19:43:44Z last-modified: 2020-07-08T19:43:44Z descr: MNT-FN-16 route 052.119.044.000/22 AS394949 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 69.162.148.0/23 origin: AS394949 mnt-by: MNT-FN-16 tech-c: FUSED-ARIN admin-c: FUSED-ARIN source: ARIN created: 2020-07-08T19:45:45Z last-modified: 2020-07-08T19:45:45Z descr: MNT-FN-16 route 069.162.148.000/23 AS394949 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.86.156.0/23 origin: AS394949 mnt-by: MNT-FN-16 tech-c: FUSED-ARIN admin-c: FUSED-ARIN source: ARIN created: 2020-07-08T19:46:08Z last-modified: 2020-07-08T19:46:08Z descr: MNT-FN-16 route 216.086.156.000/23 AS394949 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source