These entries are queried from radb.net using whois, you can try my project getting these.
:AS271469 route: 45.227.132.0/22 origin: AS271469 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: contato [at] speednetrn.com mnt-by: MAINT-AS271469 source: TC last-modified: 2022-05-23T14:17:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.227.132.0/22 descr: CLARO S.A. Customer origin: AS271469 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20220719 source: RADB last-modified: 2023-11-13T16:11:47Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:7c00::/32 origin: AS271469 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: contato [at] speednetrn.com mnt-by: MAINT-AS271469 source: TC last-modified: 2022-05-23T14:17:47Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:7c00::/32 origin: AS271469 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 20210812 #17:19:25Z source: RADB last-modified: 2023-11-13T16:08:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source