These entries are queried from radb.net using whois, you can try my project getting these.
:AS271289 route: 200.53.72.0/22 descr: G8 Customer Proxy Route origin: AS271289 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20210419 source: RADB last-modified: 2023-11-13T16:05:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.53.72.0/24 descr: CLARO S.A. Customer origin: AS271289 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210513 source: RADB last-modified: 2023-11-13T16:05:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.53.73.0/24 descr: CLARO S.A. Customer origin: AS271289 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210609 source: RADB last-modified: 2023-11-13T16:05:48Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.53.74.0/24 descr: CLARO S.A. Customer origin: AS271289 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210513 source: RADB last-modified: 2023-11-13T16:05:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.53.75.0/24 descr: CLARO S.A. Customer origin: AS271289 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210513 source: RADB last-modified: 2023-11-13T16:05:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:792c::/32 descr: AS-EVE-CUSTOMER-271289 origin: AS271289 remarks: Cliente do Cliente Everest Ridge remarks: AS PATH 267613 267056 262760 271289 remarks: Usuario XConn ulisses.almeida remarks: ************************************************************ remarks: This is a Eletronet customer proxy route object that was cre remarks: ated because no existing route object with the same origin w remarks: as found. Please contact noc [at] eletronet.net.br if you have an remarks: y questions regarding this object. remarks: ************************************************************ notify: coreweb_tier2 [at] eletronet.com notify: filtrosbgpoperadoras [at] eletronet.com mnt-by: MAINT-AS267613 changed: FiltrosBGPOperadoras [at] eletronet.com 20201118 #11:29:36Z source: RADB last-modified: 2023-11-13T16:03:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source