These entries are queried from radb.net using whois, you can try my project getting these.
:AS267643 route: 45.71.220.0/22 descr: ITX-MHNET origin: AS267643 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20171108 #19:24:09Z source: RADB last-modified: 2023-11-13T15:52:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.71.223.0/24 descr: CLARO S.A. Customer origin: AS267643 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20191030 source: RADB last-modified: 2023-11-13T15:58:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:44a0::/32 descr: ITX-MHNET origin: AS267643 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20171108 #19:24:39Z source: RADB last-modified: 2023-11-13T15:52:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source