These entries are queried from radb.net using whois, you can try my project getting these.
:AS52812 route: 138.219.68.0/22 origin: AS52812 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: gacosta [at] commcorp.com.br 20201015 #14:21:22Z source: RADB last-modified: 2023-11-13T16:02:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.75.16.0/21 origin: AS52812 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: gacosta [at] commcorp.com.br 20201015 #14:20:55Z source: RADB last-modified: 2023-11-13T16:02:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:bb4::/32 origin: AS52812 descr: CUSTOMER JOS?? WAGNER PEDROSA ROCHA - ME mnt-by: MAINT-AS28598 changed: cassio.passos [at] mobtelecom.com.br 20190722 #00:25:58Z source: RADB last-modified: 2023-11-13T16:12:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source