These entries are queried from radb.net using whois, you can try my project getting these.
:AS1612 route: 199.83.176.0/22 origin: AS1612 descr: 199-83-176-22 admin-c: IPADM530-ARIN tech-c: IPADM530-ARIN mnt-by: MNT-FLUXT-1 created: 2023-08-14T16:53:19Z last-modified: 2023-08-14T16:53:19Z source: ARIN rpki-ov-state: valid route: 199.83.176.0/22 descr: Flux Telecom, LLC origin: AS1612 mnt-by: MAINT-AS19257 changed: atilla.gahbro [at] subrigo.net 20130812 source: RADB last-modified: 2023-11-13T15:45:33Z rpki-ov-state: valid route: 199.83.176.0/24 origin: AS1612 descr: 199-83-176-24 admin-c: IPADM530-ARIN tech-c: IPADM530-ARIN mnt-by: MNT-FLUXT-1 created: 2023-08-14T16:50:38Z last-modified: 2023-08-14T16:50:38Z source: ARIN rpki-ov-state: valid route: 199.83.177.0/24 origin: AS1612 descr: 199-83-176-24 admin-c: IPADM530-ARIN tech-c: IPADM530-ARIN mnt-by: MNT-FLUXT-1 created: 2023-08-14T16:51:31Z last-modified: 2023-08-14T16:51:31Z source: ARIN rpki-ov-state: valid route: 199.83.178.0/24 descr: proxy for flux telecom origin: AS1612 mnt-by: MAINT-AS19257 changed: matthew.lagoe [at] subrigo.net 20170914 #16:17:44Z source: RADB last-modified: 2023-11-13T15:51:34Z rpki-ov-state: valid route: 199.83.179.0/24 descr: proxy for flux telecom origin: AS1612 mnt-by: MAINT-AS19257 changed: matthew.lagoe [at] subrigo.net 20170914 #16:18:05Z source: RADB last-modified: 2023-11-13T15:51:34Z rpki-ov-state: valid route: 199.188.148.0/22 descr: Internet Exchange Technology via Flux Telecom, LLC origin: AS1612 mnt-by: MAINT-AS19257 changed: atilla.gahbro [at] subrigo.net 20160211 #20:28:31Z source: RADB last-modified: 2023-11-13T15:48:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source