These entries are queried from radb.net using whois, you can try my project getting these.
:AS28271 route: 131.255.140.0/22 descr: Maildez Servi?os de Internet S S Ltda origin: AS28271 mnt-by: MAINT-AS28271 created: 2016-02-02T15:12:40Z last-modified: 2018-09-04T18:22:27Z source: RIPE-NONAUTH remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.47.96.0/19 descr: DataCorpore Servicos e Representacoes origin: AS28271 mnt-by: MAINT-AS28271 notify: db-admin [at] bgp.net.br changed: db-admin [at] bgp.net.br 20140628 #02:49:07(BRT) source: TC last-modified: 2021-05-05T02:07:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.47.96.0/19 descr: DataCorpore Servi?os e Representa??es origin: AS28271 mnt-by: MAINT-AS28271 created: 2016-02-02T14:53:15Z last-modified: 2018-09-04T18:22:23Z source: RIPE-NONAUTH remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.47.96.0/19 descr: ITX-MHNET origin: AS28271 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20180905 #17:11:30Z source: RADB last-modified: 2023-11-13T15:54:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.47.96.0/20 descr: DataCorpore Servi?os e Representa??es origin: AS28271 mnt-by: MAINT-AS28271 created: 2016-02-02T15:15:00Z last-modified: 2018-09-04T18:22:29Z source: RIPE-NONAUTH remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.47.109.0/24 descr: DataCorpore Servi?os e Representa??es origin: AS28271 mnt-by: MAINT-AS28271 created: 2016-02-02T14:55:30Z last-modified: 2018-09-04T18:22:24Z source: RIPE-NONAUTH remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.47.112.0/21 descr: DataCorpore Servi?os e Representa??es origin: AS28271 mnt-by: MAINT-AS28271 created: 2016-02-02T14:54:36Z last-modified: 2018-09-04T18:22:24Z source: RIPE-NONAUTH remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.47.112.0/24 descr: DataCorpore Servi?os e Representa??es origin: AS28271 mnt-by: MAINT-AS28271 created: 2016-02-02T14:52:45Z last-modified: 2018-09-04T18:22:23Z source: RIPE-NONAUTH remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.47.113.0/24 descr: DataCorpore Servi?os e Representa??es origin: AS28271 mnt-by: MAINT-AS28271 created: 2016-02-02T14:57:24Z last-modified: 2018-09-04T18:22:25Z source: RIPE-NONAUTH remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.47.118.0/23 descr: DataCorpore Servi?os e Representa??es origin: AS28271 mnt-by: MAINT-AS28271 created: 2016-02-02T14:56:16Z last-modified: 2018-09-04T18:22:25Z source: RIPE-NONAUTH remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.47.120.0/24 descr: DataCorpore Servi?os e Representa??es origin: AS28271 mnt-by: MAINT-AS28271 created: 2016-02-02T14:52:06Z last-modified: 2018-09-04T18:22:23Z source: RIPE-NONAUTH remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.47.121.0/24 descr: DataCorpore Servi?os e Representa??es origin: AS28271 mnt-by: MAINT-AS28271 created: 2016-02-02T14:58:15Z last-modified: 2018-09-04T18:22:26Z source: RIPE-NONAUTH remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.47.122.0/23 descr: DataCorpore Servi?os e Representa??es origin: AS28271 mnt-by: MAINT-AS28271 created: 2016-02-02T14:58:38Z last-modified: 2018-09-04T18:22:26Z source: RIPE-NONAUTH remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.47.124.0/22 descr: DataCorpore Servi?os e Representa??es origin: AS28271 mnt-by: MAINT-AS28271 created: 2016-02-02T14:54:15Z last-modified: 2018-09-04T18:22:24Z source: RIPE-NONAUTH remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.137.16.0/20 descr: IPGLOBE INTERNET SERVICES DATACENTER LTDA origin: AS28271 mnt-by: MAINT-AS28271 created: 2016-02-02T15:15:45Z last-modified: 2018-09-04T18:22:29Z source: RIPE-NONAUTH remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.223.192.0/19 descr: ITX-MHNET origin: AS28271 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20180905 #17:12:13Z source: RADB last-modified: 2023-11-13T15:54:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.223.194.0/24 descr: DataCorpore Servi?os e Representa??es origin: AS28271 mnt-by: MAINT-AS28271 created: 2016-02-02T14:55:03Z last-modified: 2018-09-04T18:22:24Z source: RIPE-NONAUTH remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.223.205.0/24 descr: G8 Customer Proxy Route origin: AS28271 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20220201 source: RADB last-modified: 2023-11-13T16:09:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.223.206.0/24 descr: G8 Customer Proxy Route origin: AS28271 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20210628 source: RADB last-modified: 2023-11-13T16:07:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.223.211.0/24 descr: DataCorpore Servi?os e Representa??es origin: AS28271 mnt-by: MAINT-AS28271 created: 2016-02-02T14:53:41Z last-modified: 2018-09-04T18:22:23Z source: RIPE-NONAUTH remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.223.218.0/24 descr: DataCorpore Servi?os e Representa??es origin: AS28271 mnt-by: MAINT-AS28271 created: 2016-02-02T14:55:55Z last-modified: 2018-09-04T18:22:25Z source: RIPE-NONAUTH remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 189.84.16.0/20 descr: DataCorpore Servi?os e Representa??es origin: AS28271 mnt-by: MAINT-AS28271 created: 2016-02-02T14:57:00Z last-modified: 2018-09-04T18:22:25Z source: RIPE-NONAUTH remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 189.84.16.0/20 descr: ITX-GRUPOG1 origin: AS28271 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20180904 #18:44:58Z source: RADB last-modified: 2023-11-13T15:54:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 189.84.27.0/24 descr: DataCorpore Servi?os e Representa??es origin: AS28271 mnt-by: MAINT-AS28271 created: 2016-02-02T15:14:16Z last-modified: 2018-09-04T18:22:28Z source: RIPE-NONAUTH remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 201.33.16.0/20 descr: DataCorpore Servi?os e Representa??es origin: AS28271 mnt-by: MAINT-AS28271 created: 2016-02-02T14:57:51Z last-modified: 2018-09-04T18:22:25Z source: RIPE-NONAUTH remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 201.33.16.0/20 descr: ITX-MHNET origin: AS28271 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20180905 #17:03:37Z source: RADB last-modified: 2023-11-13T15:54:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 201.33.16.0/24 descr: DataCorpore Servi?os e Representa??es origin: AS28271 mnt-by: MAINT-AS28271 created: 2016-02-02T14:59:52Z last-modified: 2018-09-04T18:22:26Z source: RIPE-NONAUTH remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 201.33.20.0/24 descr: DataCorpore Servi?os e Representa??es origin: AS28271 mnt-by: MAINT-AS28271 created: 2016-02-02T15:14:38Z last-modified: 2018-09-04T18:22:29Z source: RIPE-NONAUTH remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:4c4::/32 descr: ITX-MHNET origin: AS28271 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20180905 #17:12:49Z source: RADB last-modified: 2023-11-13T15:54:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source