These entries are queried from radb.net using whois, you can try my project getting these.
:AS28257 route: 138.36.140.0/22 descr: G. DE SOUSA ARAUJO origin: AS28257 mnt-by: MAINT-AS28257 notify: db-admin [at] bgp.net.br changed: db-admin [at] bgp.net.br 20160615 #10:50:31(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: 138.36.140.0/22 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. origin: AS28257 mnt-by: MAINT-AS14840 changed: gacosta [at] commcorp.com.br 20200721 source: RADB last-modified: 2023-11-13T16:01:14Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.129.40.0/21 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. origin: AS28257 mnt-by: MAINT-AS14840 changed: gacosta [at] commcorp.com.br 20200721 source: RADB last-modified: 2023-11-13T16:01:14Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 186.225.80.0/20 origin: AS28257 descr: AS28257 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20230512 #11:13:10Z source: RADB last-modified: 2023-11-13T16:17:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:db4::/32 origin: AS28257 descr: AS28257 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20230512 #11:46:37Z source: RADB last-modified: 2023-11-13T16:17:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source