These entries are queried from radb.net using whois, you can try my project getting these.
:AS61718 route: 131.72.52.0/22 descr: UPLINK TELECOMUNICA\xc7\xd5ES DO BRASIL origin: AS61718 notify: db-admin [at] bgp.net.br mnt-by: MAINT-AS61718 changed: db-admin [at] bgp.net.br 20200129 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: 131.72.52.0/22 descr: Transito ENSITE to Eloss Host origin: AS61718 admin-c: Eduardo Fumes Parajo tech-c: Epafras Rezende Schaden mnt-by: MAINT-AS28663 changed: epafras [at] durand.com.br 20170926 source: RADB last-modified: 2023-11-13T16:07:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:1b48::/32 descr: PROXY FOR OPENX CUSTOMER origin: AS61718 mnt-by: MAINT-AS263444 notify: registro [at] openx.com.br changed: registro [at] openx.com.br 20210518 remarks: Tue May 18 14:20:37 2021 source: RADB last-modified: 2023-11-13T16:05:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source