These entries are queried from radb.net using whois, you can try my project getting these.
:AS263604 route: 143.202.112.0/22 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 AS263604) 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: AS263604 notify: ip-bgp [at] oi.net.br mnt-by: MAINT-AS8167 changed: ip-bgp [at] oi.net.br 20190903 source: RADB last-modified: 2023-11-13T15:57:22Z rpki-ov-state: valid route: 143.202.112.0/23 descr: CLARO S.A. Customer origin: AS263604 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20230621 source: RADB last-modified: 2023-11-13T16:17:31Z rpki-ov-state: valid route: 143.202.114.0/23 descr: CLARO S.A. Customer origin: AS263604 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20230621 source: RADB last-modified: 2023-11-13T16:17:31Z rpki-ov-state: valid route: 177.71.88.0/22 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 AS263604) 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: AS263604 notify: ip-bgp [at] oi.net.br mnt-by: MAINT-AS8167 changed: ip-bgp [at] oi.net.br 20190903 source: RADB last-modified: 2023-11-13T15:57:22Z rpki-ov-state: valid route: 177.71.88.0/23 descr: CLARO S.A. Customer origin: AS263604 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20230621 source: RADB last-modified: 2023-11-13T16:17:31Z rpki-ov-state: valid route: 177.71.90.0/24 descr: CLARO S.A. Customer origin: AS263604 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20230621 source: RADB last-modified: 2023-11-13T16:17:31Z rpki-ov-state: valid route6: 2804:fcc::/32 descr: ITX-TRITELECOM origin: AS263604 mnt-by: MAINT-AS18678 changed: adminred [at] internexa.com 20161026 #19:20:48Z source: RADB last-modified: 2023-11-13T15:49:55Z rpki-ov-state: valid