These entries are queried from radb.net using whois, you can try my project getting these.
:AS52557 route: 177.86.8.0/21 origin: AS52557 descr: FLYNET mnt-by: MAINT-AS52557 changed: wisner [at] flynet.net.br 20220611 #13:52:53Z source: RADB last-modified: 2023-11-13T16:11:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.86.8.0/22 origin: AS52557 descr: FLYNET mnt-by: MAINT-AS52557 changed: wisner [at] flynet.net.br 20220606 #18:55:19Z source: RADB last-modified: 2023-11-13T16:11:24Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.86.8.0/23 origin: AS52557 descr: FLYNET mnt-by: MAINT-AS52557 changed: wisner [at] flynet.net.br 20230602 #15:42:57Z source: RADB last-modified: 2023-11-13T16:17:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.86.8.0/24 origin: AS52557 descr: FLYNET mnt-by: MAINT-AS52557 changed: wisner [at] flynet.net.br 20220604 #19:55:50Z source: RADB last-modified: 2023-11-13T16:11:24Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.86.9.0/24 origin: AS52557 descr: FLYNET mnt-by: MAINT-AS52557 changed: wisner [at] flynet.net.br 20220604 #19:56:33Z source: RADB last-modified: 2023-11-13T16:11:24Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.86.10.0/24 origin: AS52557 descr: FLYNET mnt-by: MAINT-AS52557 changed: wisner [at] flynet.net.br 20220604 #19:58:01Z source: RADB last-modified: 2023-11-13T16:11:24Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.86.11.0/24 origin: AS52557 descr: FLYNET mnt-by: MAINT-AS52557 changed: wisner [at] flynet.net.br 20220604 #19:58:37Z source: RADB last-modified: 2023-11-13T16:11:24Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.86.12.0/22 origin: AS52557 descr: FLYNET mnt-by: MAINT-AS52557 changed: wisner [at] flynet.net.br 20220604 #19:53:19Z source: RADB last-modified: 2023-11-13T16:11:24Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.86.12.0/23 descr: CLARO S.A. Customer origin: AS52557 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20190807 source: RADB last-modified: 2023-11-13T15:57:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.86.12.0/24 origin: AS52557 descr: FLYNET mnt-by: MAINT-AS52557 changed: wisner [at] flynet.net.br 20220604 #20:00:29Z source: RADB last-modified: 2023-11-13T16:11:24Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.86.13.0/24 origin: AS52557 descr: FLYNET mnt-by: MAINT-AS52557 changed: wisner [at] flynet.net.br 20220604 #20:01:08Z source: RADB last-modified: 2023-11-13T16:11:24Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.86.14.0/24 origin: AS52557 descr: FLYNET mnt-by: MAINT-AS52557 changed: wisner [at] flynet.net.br 20220604 #20:01:39Z source: RADB last-modified: 2023-11-13T16:11:24Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.86.15.0/24 origin: AS52557 descr: FLYNET mnt-by: MAINT-AS52557 changed: wisner [at] flynet.net.br 20220604 #20:02:07Z source: RADB last-modified: 2023-11-13T16:11:24Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:cd0::/32 origin: AS52557 descr: FLYNET mnt-by: MAINT-AS52557 changed: wisner [at] flynet.net.br 20220611 #13:54:57Z source: RADB last-modified: 2023-11-13T16:11:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:cd0::/33 origin: AS52557 descr: FLYNET mnt-by: MAINT-AS52557 changed: wisner [at] flynet.net.br 20220604 #19:48:01Z source: RADB last-modified: 2023-11-13T16:11:24Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:cd0:8000::/33 origin: AS52557 descr: FLYNET mnt-by: MAINT-AS52557 changed: wisner [at] flynet.net.br 20220604 #19:48:50Z source: RADB last-modified: 2023-11-13T16:11:24Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source