These entries are queried from radb.net using whois, you can try my project getting these.
:AS270881 route: 200.35.144.0/22 origin: AS270881 descr: This is a BR.Digital customer proxy route object that was created because no existing route object with the same origin was found. Please contact bgp [at] br.digital if you have any questions regarding this object. mnt-by: MAINT-AS14840 changed: gacosta [at] br.digital 20220106 #20:22:58Z source: RADB last-modified: 2023-11-13T16:09:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.35.144.0/23 origin: AS270881 descr: Netlinknet provedor de acesso a internet eireli-me mnt-by: MAINT-AS53087 changed: jurandir.j [at] tely.com.br 20221014 #15:02:26Z source: RADB last-modified: 2023-11-13T16:12:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.35.144.0/24 descr: CLARO S.A. Customer origin: AS270881 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210824 source: RADB last-modified: 2023-11-13T16:08:08Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.35.145.0/24 descr: CLARO S.A. Customer origin: AS270881 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210824 source: RADB last-modified: 2023-11-13T16:08:08Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.35.146.0/23 origin: AS270881 descr: Netlinknet provedor de acesso a internet eireli-me mnt-by: MAINT-AS53087 changed: jurandir.j [at] tely.com.br 20221014 #15:02:59Z source: RADB last-modified: 2023-11-13T16:12:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.35.147.0/24 descr: AS-IEL-CUSTOMER-270881 origin: AS270881 remarks: Cliente do Cliente INOVANET remarks: AS PATH 267613 268959 262872 270881 remarks: Usuario XConn ualmeida 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: filtrosbgpoperadoras [at] eletronet.com mnt-by: MAINT-AS267613 changed: FiltrosBGPOperadoras [at] eletronet.com 20240105 #18:08:46Z source: RADB last-modified: 2024-01-05T21:17:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:72e0::/32 origin: AS270881 descr: This is a BR.Digital customer proxy route object that was created because no existing route object with the same origin was found. Please contact bgp [at] br.digital if you have any questions regarding this object. mnt-by: MAINT-AS14840 changed: gacosta [at] br.digital 20220106 #20:23:50Z source: RADB last-modified: 2023-11-13T16:09:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source