These entries are queried from radb.net using whois, you can try my project getting these.
:AS61838 route: 201.148.224.0/22 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 AS61838) 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: AS61838 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: 201.148.224.0/23 descr: CLARO S.A. Customer origin: AS61838 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20190904 source: RADB last-modified: 2023-11-13T15:57:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 201.148.224.0/24 origin: AS61838 descr: AS61838 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20200107 #20:49:12Z source: RADB last-modified: 2023-11-13T15:59:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 201.148.225.0/24 origin: AS61838 descr: AS61838 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20200107 #20:49:30Z source: RADB last-modified: 2023-11-13T15:59:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 201.148.226.0/23 descr: CLARO S.A. Customer origin: AS61838 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20190904 source: RADB last-modified: 2023-11-13T15:57:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 201.148.226.0/24 origin: AS61838 descr: AS61838 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20200107 #20:49:47Z source: RADB last-modified: 2023-11-13T15:59:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 201.148.227.0/24 origin: AS61838 descr: AS61838 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20200107 #20:50:05Z source: RADB last-modified: 2023-11-13T15:59:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:1a20::/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 AS61838) 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: AS61838 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