These entries are queried from radb.net using whois, you can try my project getting these.
:AS263128 route: 187.0.168.0/21 origin: AS263128 descr: CT24297-INTERNET_MAXIMA mnt-by: MAINT-AS22381 changed: alisson.david [at] megatelecom.com.br 20200625 #13:12:48Z source: RADB last-modified: 2023-11-13T16:01:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 187.0.168.0/23 descr: CLARO S.A. Customer origin: AS263128 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20231024 source: RADB last-modified: 2023-11-13T16:19:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 187.0.170.0/23 descr: CLARO S.A. Customer origin: AS263128 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20230523 source: RADB last-modified: 2023-11-13T16:17:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:1728::/32 origin: AS263128 descr: CT24297-INTERNET_MAXIMA mnt-by: MAINT-AS22381 changed: alisson.david [at] megatelecom.com.br 20200625 #17:20:20Z source: RADB last-modified: 2023-11-13T16:01:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source