These entries are queried from radb.net using whois, you can try my project getting these.
:AS267260 route: 45.232.52.0/22 descr: AS267260 origin: AS267260 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20180523 #18:11:28Z source: RADB last-modified: 2023-11-13T15:53:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.232.52.0/23 descr: CLARO S.A. Customer origin: AS267260 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20230605 source: RADB last-modified: 2023-11-13T16:17:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.232.54.0/23 descr: CLARO S.A. Customer origin: AS267260 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20230605 source: RADB last-modified: 2023-11-13T16:17:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:4abc::/32 descr: AS267260 origin: AS267260 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20180523 #18:11:58Z source: RADB last-modified: 2023-11-13T15:53:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source