These entries are queried from radb.net using whois, you can try my project getting these.
:AS267537 route: 192.141.144.0/22 origin: AS267537 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: frederico.lichti [at] coresi.com.br mnt-by: MAINT-AS267537 source: TC last-modified: 2022-08-16T13:07:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.141.144.0/22 descr: Angola Cables proxy-registered route object for customer AS267537 origin: AS267537 remarks: *********************************************** remarks: This object is for *AS267537* 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 20181101 #22:41:44Z source: RADB last-modified: 2023-11-13T15:55:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.141.147.0/24 origin: AS267537 descr: NETFLESH TELECOM E COM DE PROD DE INFORMAT LTDA-ME mnt-by: MAINT-AS28260 changed: roniele.araujo [at] altarede.com.br 20201007 #17:12:50Z source: RADB last-modified: 2023-11-13T16:05:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:42ec::/32 origin: AS267537 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: frederico.lichti [at] coresi.com.br mnt-by: MAINT-AS267537 source: TC last-modified: 2022-08-16T13:07:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:42ec::/32 descr: Angola Cables proxy-registered route object for customer AS267537 origin: AS267537 remarks: *********************************************** remarks: This object is for *AS267537* 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 20181101 #22:41:56Z source: RADB last-modified: 2023-11-13T15:55:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source