These entries are queried from radb.net using whois, you can try my project getting these.
:AS263507 route: 191.243.136.0/22 origin: AS263507 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 #15:34:17Z source: RADB last-modified: 2023-11-13T16:00:16Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:12f8::/32 descr: Solicitado por Copel Telecom. Ene 7 2015 origin: AS263507 mnt-by: MAINT-AS18678 changed: adminred [at] internexa.com 20150107 #20:02:14Z source: RADB last-modified: 2023-11-13T15:47:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source