These entries are queried from radb.net using whois, you can try my project getting these.
:AS264443 route: 131.221.204.0/22 descr: Policanal Servi\xe7os de Telecomunica\xe7\xf5es Ltda. origin: AS264443 notify: db-admin [at] bgp.net.br mnt-by: MAINT-AS264443 changed: db-admin [at] bgp.net.br 20190915 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: 131.221.204.0/22 descr: PROXY FOR OUR CUSTUMER CONE origin: AS264443 mnt-by: MAINT-AS263558 changed: jetelecom [at] jetelecom.com.br 20210118 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.221.204.0/22 origin: AS264443 descr: This is a BR.Digital customer proxy route object that was created because no existing route object with the same origin was found. Please contact bgp [at] br.digital if you have any questions regarding this object. mnt-by: MAINT-AS14840 changed: glcastro [at] br.digital 20210617 #20:18:27Z source: RADB last-modified: 2023-11-13T16:05:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:1eac::/32 descr: PROXY FOR OUR COSTUMER CONE origin: AS264443 mnt-by: MAINT-AS263558 changed: jetelecom [at] jetelecom.com.br 20210118 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:1eac::/32 descr: G8 Customer Proxy Route origin: AS264443 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20230828 source: RADB last-modified: 2023-11-13T16:18:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source