These entries are queried from radb.net using whois, you can try my project getting these.
:AS268503 route: 45.162.56.0/22 origin: AS268503 descr: Atual_Telecom_IPv4 mnt-by: MAINT-AS268503 changed: noc [at] atltelecom.com.br 20200902 #19:14:20Z source: RADB last-modified: 2023-11-13T16:13:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.162.56.0/23 origin: AS268503 descr: Atual_Telecom_IPv4 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS268503 changed: noc [at] atltelecom.com.br 20220419 #12:56:56Z source: RADB last-modified: 2023-11-13T16:13:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.162.56.0/24 origin: AS268503 descr: Atual_Telecom_IPv4 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS268503 changed: noc [at] atltelecom.com.br 20220419 #12:57:06Z source: RADB last-modified: 2023-11-13T16:13:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.162.57.0/24 origin: AS268503 descr: Atual_Telecom_IPv4 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS268503 changed: noc [at] atltelecom.com.br 20220419 #12:57:25Z source: RADB last-modified: 2023-11-13T16:13:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.162.58.0/23 origin: AS268503 descr: Atual_Telecom_IPv4 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS268503 changed: noc [at] atltelecom.com.br 20220419 #12:58:25Z source: RADB last-modified: 2023-11-13T16:13:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.162.58.0/24 origin: AS268503 descr: Atual_Telecom_IPv4 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS268503 changed: noc [at] atltelecom.com.br 20220419 #12:58:35Z source: RADB last-modified: 2023-11-13T16:13:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.162.59.0/24 origin: AS268503 descr: Atual_Telecom_IPv4 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS268503 changed: noc [at] atltelecom.com.br 20220419 #12:59:09Z source: RADB last-modified: 2023-11-13T16:13:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:5238::/32 origin: AS268503 descr: Atual_Telecom_IPv6 mnt-by: MAINT-AS268503 changed: noc [at] atltelecom.com.br 20200902 #19:17:19Z source: RADB last-modified: 2023-11-13T16:13:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:5238::/34 origin: AS268503 descr: AS268503 mnt-by: MAINT-AS268503 changed: do-not-reply [at] merit.edu 20220414 #16:43:51Z source: RADB last-modified: 2023-11-13T16:13:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source