These entries are queried from radb.net using whois, you can try my project getting these.
:AS271509 route: 181.233.172.0/22 origin: AS271509 descr: This is a BR.DIGITAL Telecom customer proxy route object that was created because no existing route object with the same origin was found. Please contact noc [at] commcorp.com.br if you have any questions regarding this object. mnt-by: MAINT-AS14840 changed: gacosta [at] br.digital 20220324 #13:42:01Z source: RADB last-modified: 2023-11-13T16:10:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:7ca4::/32 descr: WIX origin: AS271509 mnt-by: MAINT-AS53013 changed: danielantonio [at] wixnet.com.br 20210713 source: RADB last-modified: 2023-11-13T16:07:52Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:7ca4::/33 descr: CLARO S.A. Customer origin: AS271509 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210430 source: RADB last-modified: 2023-11-13T16:05:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:7ca4:8000::/33 descr: CLARO S.A. Customer origin: AS271509 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210430 source: RADB last-modified: 2023-11-13T16:05:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source