These entries are queried from radb.net using whois, you can try my project getting these.
:AS27531 route: 104.152.8.0/24 origin: AS27531 descr: RST admin-c: GUTIE375-ARIN tech-c: GUTIE375-ARIN mnt-by: MNT-PETL-1 created: 2023-02-16T19:56:00Z last-modified: 2023-02-16T19:56:00Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 104.152.9.0/24 origin: AS27531 descr: 1300 S Dekalb St. Shelby NC 28152 United States remarks: Planet Earth TV Miami Data Center admin-c: GUTIE375-ARIN tech-c: GUTIE375-ARIN mnt-by: MNT-PETL-1 created: 2022-05-20T16:43:04Z last-modified: 2022-11-10T21:19:26Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 104.152.10.0/24 origin: AS27531 descr: RST admin-c: GUTIE375-ARIN tech-c: GUTIE375-ARIN mnt-by: MNT-PETL-1 created: 2023-02-16T19:56:21Z last-modified: 2023-02-16T19:56:21Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source