These entries are queried from radb.net using whois, you can try my project getting these.
:AS40499 route: 208.76.232.0/24 origin: AS40499 descr: 6906 South 204th Street Kent, WA 98032 United States admin-c: ERU10-ARIN tech-c: ERU10-ARIN mnt-by: MNT-WGL-23 created: 2020-11-10T17:04:47Z last-modified: 2022-07-13T16:57:31Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.76.234.0/24 origin: AS40499 descr: 44790 Performance Circle Ashburn, VA 20147 United States admin-c: ERU10-ARIN tech-c: ERU10-ARIN mnt-by: MNT-WGL-23 created: 2022-07-13T16:54:15Z last-modified: 2022-07-13T16:58:00Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.76.234.0/24 origin: AS40499 descr: MRFD remarks: Proxy object for AS40499 mnt-by: MAINT-AS22773 changed: cciatl-nocengineer [at] cox.com 20220513 source: RADB last-modified: 2023-11-13T16:11:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.76.235.0/24 origin: AS40499 descr: MRFD remarks: Proxy object for AS40499 mnt-by: MAINT-AS22773 changed: cciatl-nocengineer [at] cox.com 20220513 source: RADB last-modified: 2023-11-13T16:11:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source