These entries are queried from radb.net using whois, you can try my project getting these.
:AS61936 route: 201.158.8.0/21 origin: AS61936 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: edison [at] vtw.com.br mnt-by: MAINT-AS61936 source: TC last-modified: 2023-01-06T12:27:52Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 201.158.8.0/21 descr: Proxy-registered route object remarks: --------------------------------- remarks: For SECURITY issues, please send messages to remarks: origin AS administrator remarks: (e.g. whois -h whois.registro.br AS61936) remarks: --------------------------------- remarks: This route is from a Oi customer which remarks: is being exported under origin AS below. remarks: It was created by us because no other remarks: route object with the same origin was found. remarks: --------------------------------- remarks: Please contact BGPOI-RADB if you have any remarks: questions regarding this object. remarks: --------------------------------- origin: AS61936 notify: ip-bgp [at] oi.net.br mnt-by: MAINT-AS8167 changed: ip-bgp [at] oi.net.br 20171114 source: RADB last-modified: 2023-11-13T15:53:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 201.158.8.0/22 descr: Proxy-registered route object remarks: --------------------------------- remarks: For SECURITY issues, please send messages to remarks: origin AS administrator remarks: (e.g. whois -h whois.registro.br AS61936) remarks: --------------------------------- remarks: This route is from a Oi customer which remarks: is being exported under origin AS below. remarks: It was created by us because no other remarks: route object with the same origin was found. remarks: remarks: Please contact BGPOI-RADB if you have any remarks: questions regarding this object. remarks: origin: AS61936 notify: ip-bgp [at] oi.net.br mnt-by: MAINT-AS8167 changed: ip-bgp [at] oi.net.br 20180703 source: RADB last-modified: 2023-11-13T15:54:02Z rpki-ov-state: valid route6: 2804:1880::/32 origin: AS61936 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: edison [at] vtw.com.br mnt-by: MAINT-AS61936 source: TC last-modified: 2023-01-06T12:27:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:1880::/32 descr: Proxy-registered route object remarks: --------------------------------- remarks: For SECURITY issues, please send messages to remarks: origin AS administrator remarks: (e.g. whois -h whois.registro.br AS61936) remarks: --------------------------------- remarks: This route is from a Oi customer which remarks: is being exported under origin AS below. remarks: It was created by us because no other remarks: route object with the same origin was found. remarks: --------------------------------- remarks: Please contact BGPOI-RADB if you have any remarks: questions regarding this object. remarks: --------------------------------- origin: AS61936 notify: ip-bgp [at] oi.net.br mnt-by: MAINT-AS8167 changed: ip-bgp [at] oi.net.br 20171114 source: RADB last-modified: 2023-11-13T15:53:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source