These entries are queried from radb.net using whois, you can try my project getting these.
:AS264021 route: 143.0.132.0/22 origin: AS264021 descr: Proxy route registration for AS264021 remarks: This route object is for a ALOO Telecom customer route remarks: which is being exported under this origin AS. remarks: remarks: This route object was created because no existing remarks: route object with the same origin was found, and remarks: since some ALOO Telecom peers filter based on these objects remarks: this route may be rejected if this object is not created. remarks: remarks: Please contact bgp [at] alootelecom.com.br if you have any remarks: questions regarding this object. mnt-by: MAINT-AS61568 notify: noc [at] alootelecom.com.br changed: noc [at] alootelecom.com.br 20201003 #21:46:35Z source: RADB last-modified: 2023-11-13T16:12:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.0.132.0/23 origin: AS264021 descr: AS264021 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20201023 #13:05:31Z source: RADB last-modified: 2023-11-13T16:02:40Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.0.132.0/24 origin: AS264021 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. mnt-by: MAINT-AS14840 changed: fterra [at] br.digital 20211119 #17:24:57Z source: RADB last-modified: 2023-11-13T16:08:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.0.133.0/24 origin: AS264021 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. mnt-by: MAINT-AS14840 changed: fterra [at] br.digital 20211119 #17:26:03Z source: RADB last-modified: 2023-11-13T16:08:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:298c::/32 descr: This is a Commcorp Telecom customer proxy route object that was created because no existing route object with the same origin was found. Please contact noc [at] commcorp.com.br if you have any questions regarding this object. origin: AS264021 mnt-by: MAINT-AS14840 changed: gacosta [at] commcorp.com.br 20200730 source: RADB last-modified: 2023-11-13T16:01:16Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:298c::/33 origin: AS264021 descr: AS264021 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20201023 #13:06:06Z source: RADB last-modified: 2023-11-13T16:02:40Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source