These entries are queried from radb.net using whois, you can try my project getting these.
:AS269491 route: 45.187.244.0/22 descr: Carlos Alberto Lira Barros ME origin: AS269491 notify: db-admin [at] bgp.net.br mnt-by: MAINT-AS269491 changed: db-admin [at] bgp.net.br 20200122 source: TC last-modified: 2021-05-04T02:55:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.187.244.0/22 origin: AS269491 descr: Globenet Customer - Brisanet - ShalomNet mnt-by: MAINT-AS52320 changed: leonardo.almeida [at] globenet.net 20200220 #20:57:50Z source: RADB last-modified: 2023-11-13T15:59:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.187.244.0/23 descr: CLARO S.A. Customer origin: AS269491 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210513 source: RADB last-modified: 2023-11-13T16:05:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.187.246.0/23 descr: CLARO S.A. Customer origin: AS269491 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210513 source: RADB last-modified: 2023-11-13T16:05:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:6574::/32 origin: AS269491 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 bgp [at] br.digital if you have any questions regarding this object. mnt-by: MAINT-AS14840 changed: gacosta [at] commcorp.com.br 20210429 #19:43:27Z source: RADB last-modified: 2023-11-13T16:05:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source