These entries are queried from radb.net using whois, you can try my project getting these.
:AS265148 route: 143.255.144.0/22 descr: Pontonet Computadores e Redes Ltda Epp origin: AS265148 notify: db-admin [at] bgp.net.br mnt-by: MAINT-AS265148 changed: db-admin [at] bgp.net.br 20200403 source: TC last-modified: 2021-05-05T02:07:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.255.144.0/22 descr: ITX_GRUPO G1 origin: AS265148 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20180607 #13:54:25Z source: RADB last-modified: 2023-11-13T15:53:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.255.144.0/23 origin: AS265148 descr: AS265148 mnt-by: MAINT-AS267469 changed: noc [at] w8telecom.com.br 20200331 #18:42:46Z source: RADB last-modified: 2023-11-13T16:18:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.255.144.0/24 origin: AS265148 descr: AS265148 mnt-by: MAINT-AS267469 changed: noc [at] w8telecom.com.br 20200331 #18:43:14Z source: RADB last-modified: 2023-11-13T16:18:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.255.145.0/24 origin: AS265148 descr: AS265148 mnt-by: MAINT-AS267469 changed: noc [at] w8telecom.com.br 20200331 #18:43:33Z source: RADB last-modified: 2023-11-13T16:18:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.255.146.0/23 origin: AS265148 descr: AS265148 mnt-by: MAINT-AS267469 changed: noc [at] w8telecom.com.br 20200331 #18:43:52Z source: RADB last-modified: 2023-11-13T16:18:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.255.146.0/24 origin: AS265148 descr: AS265148 mnt-by: MAINT-AS267469 changed: noc [at] w8telecom.com.br 20200331 #18:44:11Z source: RADB last-modified: 2023-11-13T16:18:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.255.147.0/24 origin: AS265148 descr: AS265148 mnt-by: MAINT-AS267469 changed: noc [at] w8telecom.com.br 20200331 #18:44:32Z source: RADB last-modified: 2023-11-13T16:18:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2b58::/32 origin: AS265148 descr: This is a Commcorp Telecom customer proxy route object that was created because no existing route object with the same origin was found. Please contact noc [at] commcorp.com.br if you have any questions regarding this object. mnt-by: MAINT-AS14840 changed: fpgosch [at] commcorp.com.br 20200322 #04:18:58Z source: RADB last-modified: 2023-11-13T16:00:16Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source