These entries are queried from radb.net using whois, you can try my project getting these.
:AS267297 route: 45.232.248.0/22 origin: AS267297 descr: Proxy registared by Inforbarra Telecom tech-c: NOC INFORBARRA notify: noc [at] inforbarra.com.br mnt-by: MAINT-AS263903 changed: noc [at] inforbarra.com.br 20211207 #13:38:06Z source: RADB last-modified: 2023-11-13T16:09:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.232.248.0/23 descr: Proxy Object : Cliente ITS_Transito IP: NETUNO DO BRASIL TELECOM LTDA origin: AS267297 mnt-by: MAINT-AS28186 changed: marcelo [at] itsbrasil.net 20181127 #20:38:39Z source: RADB last-modified: 2023-11-13T15:55:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.232.248.0/24 descr: Proxy Object : Cliente ITS_Transito IP: NETUNO DO BRASIL TELECOM LTDA origin: AS267297 mnt-by: MAINT-AS28186 changed: marcelo [at] itsbrasil.net 20181127 #20:38:39Z source: RADB last-modified: 2023-11-13T15:55:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.232.249.0/24 descr: Proxy Object : Cliente ITS_Transito IP: NETUNO DO BRASIL TELECOM LTDA origin: AS267297 mnt-by: MAINT-AS28186 changed: marcelo [at] itsbrasil.net 20181127 #20:38:39Z source: RADB last-modified: 2023-11-13T15:55:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.232.250.0/23 descr: Proxy Object : Cliente ITS_Transito IP: NETUNO DO BRASIL TELECOM LTDA origin: AS267297 mnt-by: MAINT-AS28186 changed: marcelo [at] itsbrasil.net 20181127 #20:38:39Z source: RADB last-modified: 2023-11-13T15:55:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.232.250.0/24 descr: Proxy Object : Cliente ITS_Transito IP: NETUNO DO BRASIL TELECOM LTDA origin: AS267297 mnt-by: MAINT-AS28186 changed: marcelo [at] itsbrasil.net 20181127 #20:38:39Z source: RADB last-modified: 2023-11-13T15:55:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.232.251.0/24 descr: Proxy Object : Cliente ITS_Transito IP: NETUNO DO BRASIL TELECOM LTDA origin: AS267297 mnt-by: MAINT-AS28186 changed: marcelo [at] itsbrasil.net 20181127 #20:38:39Z source: RADB last-modified: 2023-11-13T15:55:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:4b50::/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 AS267297) 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: AS267297 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 route6: 2804:4b50::/34 descr: CLARO S.A. Customer origin: AS267297 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20240219 source: RADB last-modified: 2024-02-19T17:40:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source