These entries are queried from radb.net using whois, you can try my project getting these.
:AS264089 route: 143.208.32.0/22 descr: This is a BR.Digital customer proxy route object that was created because no existing route object with the same origin was found. Please contact bgp [at] br.digital if you have any questions regarding this object. origin: AS264089 mnt-by: MAINT-AS14840 changed: gacosta [at] br.digital 20211112 #17:40:02Z source: RADB last-modified: 2023-11-13T16:08:40Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.208.32.0/24 descr: ITX-CUSTOMER origin: AS264089 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20180801 #20:12:44Z source: RADB last-modified: 2023-11-13T15:54:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.208.33.0/24 descr: ITX-CUSTOMER origin: AS264089 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20180801 #20:12:44Z source: RADB last-modified: 2023-11-13T15:54:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.208.34.0/24 descr: ITX-CUSTOMER origin: AS264089 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20180801 #20:12:44Z source: RADB last-modified: 2023-11-13T15:54:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.208.35.0/24 descr: ITX-CUSTOMER origin: AS264089 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20180801 #20:12:44Z source: RADB last-modified: 2023-11-13T15:54:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2aac::/32 descr: This is a BR.Digital customer proxy route object that was created because no existing route object with the same origin was found. Please contact bgp [at] br.digital if you have any questions regarding this object. origin: AS264089 mnt-by: MAINT-AS14840 changed: gacosta [at] br.digital 20211112 #17:45:02Z source: RADB last-modified: 2023-11-13T16:08:40Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source