These entries are queried from radb.net using whois, you can try my project getting these.
:AS264012 route: 143.0.156.0/22 descr: CONECT TELECOM origin: AS264012 notify: db-admin [at] bgp.net.br mnt-by: MAINT-AS264012 changed: db-admin [at] bgp.net.br 20200819 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: 143.0.156.0/22 descr: Proxy Route For ASN264012 origin: AS264012 mnt-by: MAINT-AS263949 changed: edenilson [at] deztelecom.net.br 20170208 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.0.156.0/22 descr: AS-EVE-CUSTOMER-264012 origin: AS264012 remarks: Cliente do Cliente Everest Ridge remarks: AS PATH 267613 267056 28146 28145 264012 remarks: Usuario XConn fcosta remarks: ************************************************************ remarks: This is a Eletronet customer proxy route object that was cre remarks: ated because no existing route object with the same origin w remarks: as found. Please contact noc [at] eletronet.net.br if you have an remarks: y questions regarding this object. remarks: ************************************************************ notify: coreweb_tier2 [at] eletronet.com notify: filtrosbgpoperadoras [at] eletronet.com mnt-by: MAINT-AS267613 changed: filtrosbgpoperadoras [at] eletronet.com 20201023 #19:23:04Z source: RADB last-modified: 2023-11-13T16:02:40Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.0.156.0/23 descr: Proxy for AS264012 - CONECT TELECOM origin: AS264012 mnt-by: MAINT-AS61599 changed: fabio [at] rline.com.br 20210111 source: RADB remarks: Registro inserido por Rline Telecom +55 (46) 2555-1010 remarks: remarks: ************************************************************ remarks: This is a Rline customer proxy route object that was created remarks: because no existing route object with the same origin as fou remarks: nd. Please contact noc [at] rline.com.br if you have any question remarks: s regarding this object. remarks: ************************************************************ last-modified: 2023-11-13T16:03:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.0.158.0/23 descr: Proxy for AS264012 - CONECT TELECOM origin: AS264012 mnt-by: MAINT-AS61599 changed: fabio [at] rline.com.br 20210111 source: RADB remarks: Registro inserido por Rline Telecom +55 (46) 2555-1010 remarks: remarks: ************************************************************ remarks: This is a Rline customer proxy route object that was created remarks: because no existing route object with the same origin as fou remarks: nd. Please contact noc [at] rline.com.br if you have any question remarks: s regarding this object. remarks: ************************************************************ last-modified: 2023-11-13T16:03:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2964::/32 descr: G8 Networks origin: AS264012 mnt-by: MAINT-AS28329 changed: marcio.cavalcante [at] g8.net.br 20180416 source: RADB last-modified: 2023-11-13T15:53:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source