These entries are queried from radb.net using whois, you can try my project getting these.
:AS268601 route: 45.163.216.0/22 origin: AS268601 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: joaocomercial [at] gmail.com mnt-by: MAINT-AS268601 source: TC last-modified: 2023-05-24T12:47:13Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.163.216.0/22 descr: Transito USE to FULLPC PROVEDORES LTDA origin: AS268601 admin-c: Eduardo Fumes Parajo tech-c: Epafras Rezende Schaden mnt-by: MAINT-AS22356 changed: epafras [at] durand.com.br 20181015 source: RADB last-modified: 2023-11-13T15:54:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.163.216.0/23 descr: Proxy Object : Cliente ITS_Transito IP: FULLPC PROVEDORES LTDA origin: AS268601 mnt-by: MAINT-AS28186 changed: marcelo [at] itsbrasil.net 20181127 #20:38:39Z source: RADB last-modified: 2023-11-13T15:55:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.163.216.0/24 descr: Proxy Object : Cliente ITS_Transito IP: FULLPC PROVEDORES LTDA origin: AS268601 mnt-by: MAINT-AS28186 changed: marcelo [at] itsbrasil.net 20181127 #20:38:39Z source: RADB last-modified: 2023-11-13T15:55:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.163.217.0/24 descr: Proxy Object : Cliente ITS_Transito IP: FULLPC PROVEDORES LTDA origin: AS268601 mnt-by: MAINT-AS28186 changed: marcelo [at] itsbrasil.net 20181127 #20:38:39Z source: RADB last-modified: 2023-11-13T15:55:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.163.218.0/23 descr: Proxy Object : Cliente ITS_Transito IP: FULLPC PROVEDORES LTDA origin: AS268601 mnt-by: MAINT-AS28186 changed: marcelo [at] itsbrasil.net 20181127 #20:38:39Z source: RADB last-modified: 2023-11-13T15:55:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.163.218.0/24 descr: Proxy Object : Cliente ITS_Transito IP: FULLPC PROVEDORES LTDA origin: AS268601 mnt-by: MAINT-AS28186 changed: marcelo [at] itsbrasil.net 20181127 #20:38:39Z source: RADB last-modified: 2023-11-13T15:55:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.163.219.0/24 descr: Proxy Object : Cliente ITS_Transito IP: FULLPC PROVEDORES LTDA origin: AS268601 mnt-by: MAINT-AS28186 changed: marcelo [at] itsbrasil.net 20181127 #20:38:39Z source: RADB last-modified: 2023-11-13T15:55:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:53b4::/32 origin: AS268601 descr: FULLPC PROVEDORES mnt-by: MAINT-AS268601 changed: noc [at] fullpc.com.br 20230524 source: TC last-modified: 2023-08-24T12:44:21Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:53b4::/32 descr: Transito USE to FULLPC PROVEDORES LTDA origin: AS268601 admin-c: Eduardo Fumes Parajo tech-c: Epafras Rezende Schaden mnt-by: MAINT-AS22356 changed: epafras [at] durand.com.br 20181015 source: RADB last-modified: 2023-11-13T15:54:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source