These entries are queried from radb.net using whois, you can try my project getting these.
:AS272284 route: 149.78.223.0/24 descr: ULTAFIBRA CUSTOMER A C N origin: AS272284 mnt-by: MAINT-AS264531 notify: ultranet.ce [at] gmail.com changed: ultranet.ce [at] gmail.com 20221013 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 149.78.224.0/23 descr: ULTAFIBRA CUSTOMER A C N origin: AS272284 mnt-by: MAINT-AS264531 notify: ultranet.ce [at] gmail.com changed: ultranet.ce [at] gmail.com 20221013 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 149.78.224.0/24 descr: ULTAFIBRA CUSTOMER A C N origin: AS272284 mnt-by: MAINT-AS264531 notify: ultranet.ce [at] gmail.com changed: ultranet.ce [at] gmail.com 20221013 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:84ec::/32 descr: CLARO S.A. Customer origin: AS272284 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20220124 source: RADB last-modified: 2023-11-13T16:09:08Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:84ec::/32 descr: ULTRAFIBRA CUSTOMER A C N origin: AS272284 mnt-by: MAINT-AS264531 notify: ultranet.ce [at] gmail.com changed: ultranet.ce [at] gmail.com 20221013 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:84ec::/33 descr: ULTRAFIBRA CUSTOMER A C N origin: AS272284 mnt-by: MAINT-AS264531 notify: ultranet.ce [at] gmail.com changed: ultranet.ce [at] gmail.com 20221013 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:84ec:8000::/33 descr: ULTRAFIBRA CUSTOMER A C N origin: AS272284 mnt-by: MAINT-AS264531 notify: ultranet.ce [at] gmail.com changed: ultranet.ce [at] gmail.com 20221013 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source