These entries are queried from radb.net using whois, you can try my project getting these.
:AS263538 route: 191.5.160.0/22 descr: BRASILNET origin: AS263538 mnt-by: MAINT-AS18678 changed: adminred [at] internexa.com 20170417 #20:49:41Z source: RADB last-modified: 2023-11-13T15:50:58Z rpki-ov-state: valid route6: 2804:1390::/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 AS263538) 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: AS263538 notify: ip-bgp [at] oi.net.br mnt-by: MAINT-AS8167 changed: ip-bgp [at] oi.net.br 20171108 source: RADB last-modified: 2023-11-13T15:53:43Z rpki-ov-state: valid route6: 2804:1390::/33 descr: CLARO S.A. Customer origin: AS263538 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210819 source: RADB last-modified: 2023-11-13T16:08:03Z rpki-ov-state: valid route6: 2804:1390:8000::/33 descr: CLARO S.A. Customer origin: AS263538 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210819 source: RADB last-modified: 2023-11-13T16:08:03Z rpki-ov-state: valid