These entries are queried from radb.net using whois, you can try my project getting these.
:AS268621 route: 45.164.28.0/22 descr: Transito Ensite to KEEPNET TELECOMUNICACOES LTDA ME origin: AS268621 admin-c: Eduardo Fumes Parajo tech-c: Epafras Rezende Schaden mnt-by: MAINT-AS28663 changed: epafras [at] durand.com.br 20181011 source: RADB last-modified: 2023-11-13T16:07:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.164.28.0/22 descr: KEEPNET origin: AS268621 notify: noc [at] keepnettelecom.net.br mnt-by: MAINT-AS268621 changed: noc [at] keepnettelecom.net.br 20230424 source: TC last-modified: 2023-04-24T17:32:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:53fc::/32 origin: AS268621 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: wellingtonricardotec [at] gmail.com mnt-by: MAINT-AS268621 source: TC last-modified: 2023-04-24T17:22:28Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:53fc::/32 descr: Transito Ensite to KEEPNET TELECOMUNICACOES LTDA ME origin: AS268621 admin-c: Eduardo Fumes Parajo tech-c: Epafras Rezende Schaden mnt-by: MAINT-AS28663 changed: epafras [at] durand.com.br 20181011 source: RADB last-modified: 2023-11-13T16:07:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source