These entries are queried from radb.net using whois, you can try my project getting these.
:AS61894 route: 177.10.156.0/22 descr: FreeBSD Brasil LTDA origin: AS61894 mnt-by: MAINT-AS61894 notify: db-admin [at] bgp.net.br changed: db-admin [at] bgp.net.br 20131029 #14:12:25(BRST) source: TC last-modified: 2021-05-05T02:07:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:fbc::/32 descr: Cemig origin: AS61894 mnt-by: MAINT-AS18678 changed: adminred [at] internexa.com 20170203 #13:53:20Z source: RADB last-modified: 2023-11-13T15:50:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:fbc::/33 descr: CLARO S.A. Customer origin: AS61894 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20230927 source: RADB last-modified: 2023-11-13T16:18:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:fbc:8000::/33 descr: CLARO S.A. Customer origin: AS61894 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20230927 source: RADB last-modified: 2023-11-13T16:18:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source