These entries are queried from radb.net using whois, you can try my project getting these.
:AS264064 route: 138.219.252.0/22 descr: BOHN E WELTER LTDA origin: AS264064 notify: db-admin [at] bgp.net.br mnt-by: MAINT-AS264064 changed: db-admin [at] bgp.net.br 20200928 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: 138.219.252.0/22 descr: G8 Customer Proxy Route origin: AS264064 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: 138.219.252.0/23 descr: CLARO S.A. Customer origin: AS264064 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20230411 source: RADB last-modified: 2023-11-13T16:15:58Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 138.219.253.0/24 descr: CLARO S.A. Customer origin: AS264064 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20240313 source: RADB last-modified: 2024-03-13T19:46:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 138.219.254.0/23 descr: CLARO S.A. Customer origin: AS264064 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20230411 source: RADB last-modified: 2023-11-13T16:15:58Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2a44::/32 descr: WIX origin: AS264064 mnt-by: MAINT-AS53013 changed: danielantonio [at] wixnet.com.br 20190801 source: RADB last-modified: 2023-11-13T15:56:48Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source