These entries are queried from radb.net using whois, you can try my project getting these.
:AS270590 route: 177.73.40.0/22 descr: G8 Customer Proxy Route origin: AS270590 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20230828 source: RADB last-modified: 2023-11-13T16:18:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.73.40.0/22 descr: SPACE NETWORK origin: AS270590 mnt-by: MAINT-SPACENETWORK changed: igor [at] spacenetwork.com.br 20230321 source: NTTCOM last-modified: 2023-04-19T05:27:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.73.40.0/24 descr: IPCONECTA origin: AS270590 notify: maurinhoeu [at] gmail.com mnt-by: MAINT-AS270590 changed: muryllo [at] gvnetwork.com.br 20220614 source: TC last-modified: 2022-06-14T18:06:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:6e58::/32 descr: IPCONECTA origin: AS270590 notify: maurinhoeu [at] gmail.com mnt-by: MAINT-AS270590 changed: muryllo [at] gvnetwork.com.br 20220617 source: TC last-modified: 2022-06-17T12:54:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:6e58::/32 descr: G8 Customer Proxy Route origin: AS270590 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20230828 source: RADB last-modified: 2023-11-13T16:18:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source