These entries are queried from radb.net using whois, you can try my project getting these.
:AS270887 route: 201.49.252.0/22 origin: AS270887 descr: Proxy route registration for AS270887 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 20201005 #00:56:16Z 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: 201.49.252.0/23 origin: AS270887 descr: AS270887 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20200723 #13:35:07Z source: RADB last-modified: 2023-11-13T16:01:14Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:72f8::/32 origin: AS270887 descr: Route object created for customer AS270887 notify: noc [at] alootelecom.com.br mnt-by: MAINT-AS61568 changed: noc [at] alootelecom.com.br 20200717 #20:45:43Z source: RADB last-modified: 2023-11-13T16:12:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:72f8::/33 origin: AS270887 descr: AS270887 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20200723 #13:46:52Z source: RADB last-modified: 2023-11-13T16:01:14Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source