These entries are queried from radb.net using whois, you can try my project getting these.
:AS272421 route: 168.90.189.0/24 origin: AS272421 descr: Customer American Tower mnt-by: MAINT-AS23106 changed: bgp.fibra [at] americantower.com 20220323 #20:06:39Z source: RADB last-modified: 2023-11-13T16:11:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:80ec::/32 descr: G8 Customer Proxy Route origin: AS272421 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20210811 source: RADB last-modified: 2023-11-13T16:08:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:80ec::/36 descr: CLARO S.A. Customer origin: AS272421 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20230927 source: RADB last-modified: 2023-11-13T16:18:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source