These entries are queried from radb.net using whois, you can try my project getting these.
:AS271273 route: 45.229.132.0/22 descr: NET FORT Telecom origin: AS271273 notify: db-admin [at] bgp.net.br mnt-by: MAINT-AS271273 changed: db-admin [at] bgp.net.br 20200916 source: TC last-modified: 2021-05-05T02:07:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:78e8::/32 descr: AS-MLA-CUSTOMER-271273 origin: AS271273 remarks: Cliente do Cliente Maxis Telecomnicacoes remarks: AS PATH 267613 264415 271273 remarks: Usuario XConn rsilva 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 20210419 #11:05:37Z source: RADB last-modified: 2023-11-13T16:05:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source