These entries are queried from radb.net using whois, you can try my project getting these.
:AS52877 route: 138.99.56.0/22 descr: Novos prefixos origin: AS52877 mnt-by: MAINT-AS52877 changed: saulo.silva [at] interprime.com.br 20170624 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 138.99.56.0/22 origin: AS52877 descr: INTERPRIME TELECOMUNICACOES LTDA ME mnt-by: MAINT-AS28260 changed: roniele.araujo [at] altarede.com.br 20201009 #20:25:58Z source: RADB last-modified: 2023-11-13T16:05:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 186.232.72.0/22 origin: AS52877 descr: INTERPRIME TELECOMUNICACOES LTDA ME mnt-by: MAINT-AS28260 changed: roniele.araujo [at] altarede.com.br 20201009 #20:26:50Z source: RADB last-modified: 2023-11-13T16:05:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 186.232.72.0/22 descr: Novos prefixos origin: AS52877 mnt-by: MAINT-AS52877 changed: saulo.silva [at] interprime.com.br 20170624 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 186.232.72.0/24 origin: AS52877 descr: INTERPRIME TELECOMUNICACOES LTDA ME mnt-by: MAINT-AS28260 changed: roniele.araujo [at] altarede.com.br 20201009 #20:37:58Z source: RADB last-modified: 2023-11-13T16:05:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 186.232.73.0/24 origin: AS52877 descr: INTERPRIME TELECOMUNICACOES LTDA ME mnt-by: MAINT-AS28260 changed: roniele.araujo [at] altarede.com.br 20201009 #20:38:33Z source: RADB last-modified: 2023-11-13T16:05:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 186.232.74.0/24 origin: AS52877 descr: INTERPRIME TELECOMUNICACOES LTDA ME mnt-by: MAINT-AS28260 changed: roniele.araujo [at] altarede.com.br 20201009 #20:39:05Z source: RADB last-modified: 2023-11-13T16:05:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 186.232.75.0/24 origin: AS52877 descr: INTERPRIME TELECOMUNICACOES LTDA ME mnt-by: MAINT-AS28260 changed: roniele.araujo [at] altarede.com.br 20201009 #20:39:33Z source: RADB last-modified: 2023-11-13T16:05:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:91c::/32 origin: AS52877 descr: INTERPRIME TELECOMUNICACOES LTDA ME mnt-by: MAINT-AS28260 changed: rodrigo [at] altaredecorporate.com.br 20200926 #18:44:18Z source: RADB last-modified: 2023-11-13T16:05:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:91c::/32 descr: Novos prefixos origin: AS52877 mnt-by: MAINT-AS52877 changed: saulo.silva [at] interprime.com.br 20170626 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:91c::/33 descr: Novos prefixos origin: AS52877 mnt-by: MAINT-AS52877 changed: saulo.silva [at] interprime.com.br 20170626 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:91c:8000::/33 descr: Novos prefixos origin: AS52877 mnt-by: MAINT-AS52877 changed: saulo.silva [at] interprime.com.br 20170626 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source