These entries are queried from radb.net using whois, you can try my project getting these.
:AS267387 route: 45.234.244.0/22 descr: ARLEN HENRIQUE MATIAS DOS SANTOS NET ME origin: AS267387 notify: db-admin [at] bgp.net.br mnt-by: MAINT-AS267387 changed: db-admin [at] bgp.net.br 20200512 source: TC last-modified: 2021-05-05T02:07:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.234.244.0/22 descr: Transito ASAP to ARLEN HENRIQUE MATIAS DOS SANTOS NET ME origin: AS267387 admin-c: Eduardo Fumes Parajo tech-c: Epafras Rezende Schaden mnt-by: MAINT-AS22356 changed: epafras [at] durand.com.br 20181217 source: RADB last-modified: 2023-11-13T15:55:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.234.244.0/23 origin: AS267387 descr: ARLEN HENRIQUE MATIAS DOS SANTOS NET ME mnt-by: MAINT-AS53087 changed: noc [at] tely.com.br 20200129 #19:13:41Z source: RADB last-modified: 2023-11-13T15:59:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.234.246.0/23 origin: AS267387 descr: ARLEN HENRIQUE MATIAS DOS SANTOS NET ME mnt-by: MAINT-AS53087 changed: noc [at] tely.com.br 20200129 #19:14:17Z source: RADB last-modified: 2023-11-13T15:59:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.234.246.0/24 origin: AS267387 descr: AS267387 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20210707 #12:36:38Z source: RADB last-modified: 2023-11-13T16:07:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:4cb8::/32 descr: Transito ASAP to ARLEN HENRIQUE MATIAS DOS SANTOS NET ME origin: AS267387 admin-c: Eduardo Fumes Parajo tech-c: Epafras Rezende Schaden mnt-by: MAINT-AS22356 changed: epafras [at] durand.com.br 20181217 source: RADB last-modified: 2023-11-13T15:55:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:4cb8::/33 origin: AS267387 descr: ARLEN HENRIQUE MATIAS DOS SANTOS NET ME mnt-by: MAINT-AS53087 changed: noc [at] tely.com.br 20200129 #19:12:20Z source: RADB last-modified: 2023-11-13T15:59:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:4cb8:8000::/33 origin: AS267387 descr: ARLEN HENRIQUE MATIAS DOS SANTOS NET ME mnt-by: MAINT-AS53087 changed: noc [at] tely.com.br 20200129 #19:12:44Z source: RADB last-modified: 2023-11-13T15:59:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source