These entries are queried from radb.net using whois, you can try my project getting these.
:AS52571 route: 177.86.124.0/22 origin: AS52571 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: genesio [at] g2gtelecom.com.br mnt-by: MAINT-AS52571 source: TC last-modified: 2022-01-18T17:35:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.86.124.0/22 descr: Angola Cables proxy-registered route object for customer AS52571 origin: AS52571 remarks: *********************************************** remarks: This object is for *AS52571* customer routes remarks: which is being exported from this source AS. remarks: remarks: This route object was create because no existing remarks: route object with the same sources was found, and remarks: since some Angola Cables peers filter based on remarks: these objects these routes may be rejected if remarks: this object is not created. remarks: remarks: Please contact peering [at] angolacables.co.ao if you remarks: have any questions regarding this object. remarks: *********************************************** mnt-by: MAINT-AS37468 changed: humberto.galiza [at] angolacables.co.ao 20180928 #23:38:34Z source: RADB last-modified: 2023-11-13T15:54:56Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.86.126.0/24 descr: Angola Cables proxy-registered route object for customer AS52571 origin: AS52571 remarks: *********************************************** remarks: This object is for *AS52571* customer routes remarks: which is being exported from this source AS. remarks: remarks: This route object was create because no existing remarks: route object with the same sources was found, and remarks: since some Angola Cables peers filter based on remarks: these objects these routes may be rejected if remarks: this object is not created. remarks: remarks: Please contact peering [at] angolacables.co.ao if you remarks: have any questions regarding this object. remarks: *********************************************** mnt-by: MAINT-AS37468 changed: humberto.galiza [at] angolacables.co.ao 20180928 #23:38:34Z source: RADB last-modified: 2023-11-13T15:54:56Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 205.164.160.0/20 origin: AS52571 descr: Route Registered for Cogent Communications Customer - G2G SERVICOS DE COMUNICACAO E COMERCIO geoidx: BR mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20210311 #19:54:10Z source: RADB last-modified: 2023-11-13T16:05:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:3988::/32 origin: AS52571 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: genesio [at] g2gtelecom.com.br mnt-by: MAINT-AS52571 source: TC last-modified: 2022-01-18T17:35:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:3988::/32 descr: sam origin: AS52571 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20170530 #20:57:10Z source: RADB last-modified: 2023-11-13T15:51:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source