These entries are queried from radb.net using whois, you can try my project getting these.
:AS52910 route: 186.251.38.0/24 descr: A Angeloni & Cia Ltda origin: AS52910 notify: infraestruturati [at] angeloni.com.br mnt-by: MAINT-AS52910 changed: infraestruturati [at] angeloni.com.br 20210608 source: TC last-modified: 2021-06-08T18:10:35Z rpki-ov-state: valid route6: 2804:1f3c::/36 origin: AS52910 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 #05:32:43Z source: RADB last-modified: 2023-11-13T16:00:16Z rpki-ov-state: valid route6: 2804:1f3c::/36 descr: A Angeloni & Cia Ltda origin: AS52910 notify: infraestruturati [at] angeloni.com.br mnt-by: MAINT-AS52910 changed: infraestruturati [at] angeloni.com.br 20210608 source: TC last-modified: 2021-06-08T18:13:55Z rpki-ov-state: valid