These entries are queried from radb.net using whois, you can try my project getting these.
:AS399360 route: 104.249.180.0/24 origin: AS399360 descr: 44470 Chilum Place Ashburn, VA USA member-of: AS399360:RS-ROUTES admin-c: DOHER52-ARIN tech-c: DOHER52-ARIN mnt-by: MNT-RUTL created: 2021-06-24T13:33:18Z last-modified: 2021-06-24T13:40:25Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 104.249.181.0/24 origin: AS399360 descr: 44470 Chilum Place Ashburn, VA USA member-of: AS399360:RS-ROUTES admin-c: DOHER52-ARIN tech-c: DOHER52-ARIN mnt-by: MNT-RUTL created: 2021-06-24T13:34:07Z last-modified: 2021-06-24T13:40:38Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 104.249.182.0/23 origin: AS399360 descr: 44470 Chilum Place Ashburn, VA USA member-of: AS399360:RS-ROUTES admin-c: DOHER52-ARIN tech-c: DOHER52-ARIN mnt-by: MNT-RUTL created: 2021-06-24T13:34:45Z last-modified: 2021-06-24T13:40:49Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source