These entries are queried from radb.net using whois, you can try my project getting these.
:AS395788 route: 8.15.0.0/24 descr: Kellogg origin: AS395788 mnt-by: KELLOGG2-MNT changed: ipadmin [at] lumen.com 20211103 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 146.71.88.0/23 descr: Kellogg origin: AS395788 mnt-by: KELLOGG2-MNT changed: ipadmin [at] lumen.com 20211103 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.3.168.0/24 descr: Kellogg origin: AS395788 mnt-by: KELLOGG2-MNT changed: ipadmin [at] lumen.com 20211103 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.66.62.0/24 origin: AS395788 descr: NET-216-66-62-0-24-AS395788 admin-c: ZH17-ARIN tech-c: ZH17-ARIN mnt-by: MNT-HURC source: ARIN created: 2023-03-17T01:45:14Z last-modified: 2023-03-17T01:45:14Z rpki-ov-state: valid route6: 2001:470:126::/48 origin: AS395788 descr: NET-2001-470-126---48-AS395788 admin-c: ZH17-ARIN tech-c: ZH17-ARIN mnt-by: MNT-HURC source: ARIN created: 2023-03-17T01:45:14Z last-modified: 2023-03-17T01:45:14Z rpki-ov-state: valid