These entries are queried from radb.net using whois, you can try my project getting these.
:AS264069 route: 143.137.248.0/22 descr: Transito VSX - Conecttiva origin: AS264069 admin-c: Eduardo Parajo tech-c: Epafras Schaden mnt-by: MAINT-AS22356 changed: epafras [at] durand.com.br 20170526 #13:57:04Z source: RADB last-modified: 2023-11-13T15:51:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.137.248.0/23 descr: CLARO S.A. Customer origin: AS264069 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210813 source: RADB last-modified: 2023-11-13T16:08:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.246.144.0/22 descr: Transito VSX - Conecttiva origin: AS264069 admin-c: Eduardo Parajo tech-c: Epafras Schaden mnt-by: MAINT-AS22356 changed: epafras [at] durand.com.br 20170526 #13:59:39Z source: RADB last-modified: 2023-11-13T15:51:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2a54::/32 descr: Proxy-registered route object remarks: --------------------------------- remarks: For SECURITY issues, please send messages to remarks: origin AS administrator remarks: (e.g. whois -h whois.registro.br AS264069) remarks: --------------------------------- remarks: This route is from a Oi customer which remarks: is being exported under origin AS below. remarks: It was created by us because no other remarks: route object with the same origin was found. remarks: --------------------------------- remarks: Please contact BGPOI-RADB if you have any remarks: questions regarding this object. remarks: --------------------------------- origin: AS264069 notify: ip-bgp [at] oi.net.br mnt-by: MAINT-AS8167 changed: ip-bgp [at] oi.net.br 20190904 source: RADB last-modified: 2023-11-13T15:57:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source