These entries are queried from radb.net using whois, you can try my project getting these.
:AS263853 route: 138.186.72.0/22 descr: INF Telecom origin: AS263853 mnt-by: MAINT-AS263853 notify: db-admin [at] bgp.net.br changed: db-admin [at] bgp.net.br 20160415 #11:51:08(BRT) 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: 138.186.72.0/22 origin: AS263853 descr: ITX-INF_TELECOM mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20190905 #15:36:22Z source: RADB last-modified: 2023-11-13T15:57:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.254.36.0/22 descr: G8 Customer Proxy Route origin: AS263853 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20200123 source: RADB last-modified: 2023-11-13T15:59:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source