These entries are queried from radb.net using whois, you can try my project getting these.
:AS28193 route: 189.90.64.0/20 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 AS28193) 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: AS28193 notify: ip-bgp [at] oi.net.br mnt-by: MAINT-AS8167 changed: ip-bgp [at] oi.net.br 20180703 source: RADB last-modified: 2023-11-13T15:54:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 191.52.64.0/18 origin: AS28193 descr: UNIVERSIDADE ESTADUAL DE LONDRINA remarks: Proxy-registered object for customer remarks: please direct inquiries to registro [at] rnp.br mnt-by: MAINT-AS1916 changed: registro [at] rnp.br 20190930 source: RADB last-modified: 2023-11-13T15:57:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2801:80:70::/48 origin: AS28193 descr: AS28193 - UNIVERSIDADE ESTADUAL DE LONDRINA remarks: Proxy-registered object for customer remarks: please direct inquiries to registro [at] rnp.br mnt-by: MAINT-AS1916 changed: registro [at] rnp.br 20200713 #20:26:40Z source: RADB last-modified: 2023-11-13T16:01:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source