These entries are queried from radb.net using whois, you can try my project getting these.
:AS262546 route: 131.255.200.0/22 descr: NetCintra Telecomunicaes Ltda origin: AS262546 mnt-by: MAINT-AS262546 changed: netcintra [at] netcintra.com.br 20210507 source: TC last-modified: 2021-05-07T18:35:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.255.200.0/22 descr: Bloco de Ip´s cliente "Netell/Netcintra" criado pela equipe Durand do Brazil origin: AS262546 admin-c: Eduardo Fumes Parajo tech-c: Epafras Rezende Schaden mnt-by: MAINT-AS22356 changed: eduardo [at] durand.com.br 20150712 #00:19:59Z source: RADB last-modified: 2023-11-13T15:47:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.255.200.0/23 descr: NetCintra Telecomunicaes Ltda origin: AS262546 mnt-by: MAINT-AS262546 changed: netcintra [at] netcintra.com.br 20210507 source: TC last-modified: 2021-05-07T18:35:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.255.200.0/24 descr: NetCintra Telecomunicaes Ltda origin: AS262546 mnt-by: MAINT-AS262546 changed: netcintra [at] netcintra.com.br 20210507 source: TC last-modified: 2021-05-07T18:35:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.255.201.0/24 descr: NetCintra Telecomunicaes Ltda origin: AS262546 mnt-by: MAINT-AS262546 changed: netcintra [at] netcintra.com.br 20210507 source: TC last-modified: 2021-05-07T18:35:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.255.202.0/23 descr: NetCintra Telecomunicaes Ltda origin: AS262546 mnt-by: MAINT-AS262546 changed: netcintra [at] netcintra.com.br 20210507 source: TC last-modified: 2021-05-07T18:35:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.255.202.0/24 descr: NetCintra Telecomunicaes Ltda origin: AS262546 mnt-by: MAINT-AS262546 changed: netcintra [at] netcintra.com.br 20210507 source: TC last-modified: 2021-05-07T18:35:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.255.203.0/24 descr: NetCintra Telecomunicaes Ltda origin: AS262546 mnt-by: MAINT-AS262546 changed: netcintra [at] netcintra.com.br 20210507 source: TC last-modified: 2021-05-07T18:35:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.202.48.0/22 descr: Transito Durand to NetCintra Telecomunicacoes Ltda. origin: AS262546 admin-c: Eduardo Fumes Parajo tech-c: Epafras Rezende Schaden mnt-by: MAINT-AS22356 changed: epafras [at] durand.com.br 20170817 source: RADB last-modified: 2023-11-13T15:51:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.202.48.0/22 descr: NetCintra Telecomunicaes Ltda origin: AS262546 mnt-by: MAINT-AS262546 changed: netcintra [at] netcintra.com.br 20210507 source: TC last-modified: 2021-05-07T18:35:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.202.48.0/23 descr: NetCintra Telecomunicaes Ltda origin: AS262546 mnt-by: MAINT-AS262546 changed: netcintra [at] netcintra.com.br 20210507 source: TC last-modified: 2021-05-07T18:35:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.202.48.0/24 descr: NetCintra Telecomunicaes Ltda origin: AS262546 mnt-by: MAINT-AS262546 changed: netcintra [at] netcintra.com.br 20210507 source: TC last-modified: 2021-05-07T18:35:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.202.49.0/24 descr: NetCintra Telecomunicaes Ltda origin: AS262546 mnt-by: MAINT-AS262546 changed: netcintra [at] netcintra.com.br 20210507 source: TC last-modified: 2021-05-07T18:35:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.202.50.0/23 descr: NetCintra Telecomunicaes Ltda origin: AS262546 mnt-by: MAINT-AS262546 changed: netcintra [at] netcintra.com.br 20210507 source: TC last-modified: 2021-05-07T18:35:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.202.50.0/24 descr: NetCintra Telecomunicaes Ltda origin: AS262546 mnt-by: MAINT-AS262546 changed: netcintra [at] netcintra.com.br 20210507 source: TC last-modified: 2021-05-07T18:35:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.202.51.0/24 descr: NetCintra Telecomunicaes Ltda origin: AS262546 mnt-by: MAINT-AS262546 changed: netcintra [at] netcintra.com.br 20210507 source: TC last-modified: 2021-05-07T18:35:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.72.116.0/22 descr: G8 Customer Proxy Route origin: AS262546 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20230828 source: RADB last-modified: 2023-11-13T16:18:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.72.116.0/22 descr: NetCintra Telecomunicaes Ltda origin: AS262546 mnt-by: MAINT-AS262546 changed: netcintra [at] netcintra.com.br 20210507 source: TC last-modified: 2021-05-07T18:35:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.72.116.0/23 descr: NetCintra Telecomunicaes Ltda origin: AS262546 mnt-by: MAINT-AS262546 changed: netcintra [at] netcintra.com.br 20210507 source: TC last-modified: 2021-05-07T18:35:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.72.116.0/24 descr: NetCintra Telecomunicaes Ltda origin: AS262546 mnt-by: MAINT-AS262546 changed: netcintra [at] netcintra.com.br 20210507 source: TC last-modified: 2021-05-07T18:35:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.72.117.0/24 descr: NetCintra Telecomunicaes Ltda origin: AS262546 mnt-by: MAINT-AS262546 changed: netcintra [at] netcintra.com.br 20210507 source: TC last-modified: 2021-05-07T18:35:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.72.118.0/23 descr: NetCintra Telecomunicaes Ltda origin: AS262546 mnt-by: MAINT-AS262546 changed: netcintra [at] netcintra.com.br 20210507 source: TC last-modified: 2021-05-07T18:35:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.72.118.0/24 descr: NetCintra Telecomunicaes Ltda origin: AS262546 mnt-by: MAINT-AS262546 changed: netcintra [at] netcintra.com.br 20210507 source: TC last-modified: 2021-05-07T18:35:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.72.119.0/24 descr: NetCintra Telecomunicaes Ltda origin: AS262546 mnt-by: MAINT-AS262546 changed: netcintra [at] netcintra.com.br 20210507 source: TC last-modified: 2021-05-07T18:35:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source