These entries are queried from radb.net using whois, you can try my project getting these.
:AS266942 route: 45.225.52.0/22 descr: PROXY FOR DELTA CORPORATE CUSTOMER origin: AS266942 mnt-by: MAINT-AS264598 notify: noc [at] deltacorporate.com.br changed: noc [at] deltacorporate.com.br 20200219 remarks: Wed Feb 19 15:46:54 2020 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.225.52.0/22 descr: ITX-CMDNET origin: AS266942 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20181018 #18:31:46Z source: RADB last-modified: 2023-11-13T15:54:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.225.54.0/23 origin: AS266942 descr: Prefix NAVEGADOR INTERNET LTDA ME admin-c: Bolivar Ribeiro tech-c: Bolivar Ribeiro remarks: bolivar [at] navegadorinternet.com.br mnt-by: MAINT-AS266135 changed: joaopaulo [at] spacetelecom.com.br 20230308 #02:17:25Z source: RADB last-modified: 2023-11-13T16:18:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.225.54.0/24 origin: AS266942 descr: Prefix NAVEGADOR INTERNET LTDA ME admin-c: Bolivar Ribeiro tech-c: Bolivar Ribeiro remarks: bolivar [at] navegadorinternet.com.br mnt-by: MAINT-AS266135 changed: joaopaulo [at] spacetelecom.com.br 20230308 #02:16:12Z source: RADB last-modified: 2023-11-13T16:18:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:45ac::/32 descr: PROXY FOR DELTA CORPORATE CUSTOMER origin: AS266942 mnt-by: MAINT-AS264598 notify: noc [at] deltacorporate.com.br changed: noc [at] deltacorporate.com.br 20200219 remarks: Wed Feb 19 15:46:54 2020 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:45ac::/32 descr: ITX-CMDNET origin: AS266942 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20181018 #18:32:10Z source: RADB last-modified: 2023-11-13T15:54:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source