These entries are queried from radb.net using whois, you can try my project getting these.
:AS268853 route: 45.174.140.0/22 origin: AS268853 descr: Hostfiber mnt-by: MAINT-AS53231 changed: larissa.ribeiro [at] hostfiber.com.br 20210401 #15:26:09Z source: RADB last-modified: 2023-11-13T16:05:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.174.140.0/23 descr: CLARO S.A. Customer origin: AS268853 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210812 source: RADB last-modified: 2023-11-13T16:08:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.174.140.0/24 origin: AS268853 descr: REALNET SERVICOS DE TELECOMUNICACOES LTDA ME mnt-by: MAINT-AS265066 changed: deivison.marteleto [at] conectrj.com.br 20200709 #17:57:15Z source: RADB last-modified: 2023-11-13T16:01:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.174.141.0/24 origin: AS268853 descr: REALNET SERVICOS DE TELECOMUNICACOES LTDA ME mnt-by: MAINT-AS265066 changed: deivison.marteleto [at] conectrj.com.br 20200709 #17:57:55Z source: RADB last-modified: 2023-11-13T16:01:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.174.142.0/23 descr: CLARO S.A. Customer origin: AS268853 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210812 source: RADB last-modified: 2023-11-13T16:08:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.174.142.0/24 origin: AS268853 descr: REALNET SERVICOS DE TELECOMUNICACOES LTDA ME mnt-by: MAINT-AS265066 changed: deivison.marteleto [at] conectrj.com.br 20200709 #17:58:49Z source: RADB last-modified: 2023-11-13T16:01:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.174.143.0/24 origin: AS268853 descr: REALNET SERVICOS DE TELECOMUNICACOES LTDA ME mnt-by: MAINT-AS265066 changed: deivison.marteleto [at] conectrj.com.br 20200709 #17:59:30Z source: RADB last-modified: 2023-11-13T16:01:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:5b88::/32 origin: AS268853 descr: ITX-ULTRACONEXAO mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20190409 #22:13:12Z source: RADB last-modified: 2023-11-13T15:55:47Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source