These entries are queried from radb.net using whois, you can try my project getting these.
:AS267061 route: 45.228.120.0/22 descr: Microtec Telecomunica\xe7\xe3o Ltda - ME origin: AS267061 notify: db-admin [at] bgp.net.br mnt-by: MAINT-AS267061 changed: db-admin [at] bgp.net.br 20191021 source: TC last-modified: 2021-05-05T02:07:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.228.120.0/22 descr: G8 Customer Proxy Route origin: AS267061 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20230828 source: RADB last-modified: 2023-11-13T16:18:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.228.120.0/24 descr: CLARO S.A. Customer origin: AS267061 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20200915 source: RADB last-modified: 2023-11-13T16:01:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:478c::/32 descr: G8 Customer Proxy Route origin: AS267061 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20230828 source: RADB last-modified: 2023-11-13T16:18:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:478c::/33 descr: CLARO S.A. Customer origin: AS267061 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20200915 source: RADB last-modified: 2023-11-13T16:01:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source