These entries are queried from radb.net using whois, you can try my project getting these.
:AS271302 route: 207.248.8.0/22 origin: AS271302 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: fernandofibratec [at] gmail.com mnt-by: MAINT-AS271302 source: TC last-modified: 2021-05-10T22:38:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 207.248.10.0/23 descr: Prefixo em "Customer Cone" da Link Brasil (AS271253). origin: AS271302 remarks: ------------------------------------------------- remarks: Customer Cone - FRVC INTERNET EIRELLI remarks: https://bgp.he.net/AS271302#_graph4 remarks: Objeto criado para uso em filtros de nossos remarks: fornecedores. Se for preciso a remoção deste remarks: objeto contacte nosso NOC. remarks: Contacts noc [at] linkbrasil.net.br remarks: Abuse / UCE reports abuse [at] linkbrasil.net.br mnt-by: MAINT-ASN271253 changed: noc [at] linkbrasil.net.br 20240215 source: RADB last-modified: 2024-02-15T11:47:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 207.248.10.0/24 descr: Prefixo em "Customer Cone" da Link Brasil (AS271253). origin: AS271302 remarks: ------------------------------------------------- remarks: Customer Cone - FRVC INTERNET EIRELLI remarks: https://bgp.he.net/AS271302#_graph4 remarks: Objeto criado para uso em filtros de nossos remarks: fornecedores. Se for preciso a remoção deste remarks: objeto contacte nosso NOC. remarks: Contacts noc [at] linkbrasil.net.br remarks: Abuse / UCE reports abuse [at] linkbrasil.net.br mnt-by: MAINT-ASN271253 changed: noc [at] linkbrasil.net.br 20240215 source: RADB last-modified: 2024-02-15T11:47:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 207.248.11.0/24 descr: Prefixo em "Customer Cone" da Link Brasil (AS271253). origin: AS271302 remarks: ------------------------------------------------- remarks: Customer Cone - FRVC INTERNET EIRELLI remarks: https://bgp.he.net/AS271302#_graph4 remarks: Objeto criado para uso em filtros de nossos remarks: fornecedores. Se for preciso a remoção deste remarks: objeto contacte nosso NOC. remarks: Contacts noc [at] linkbrasil.net.br remarks: Abuse / UCE reports abuse [at] linkbrasil.net.br mnt-by: MAINT-ASN271253 changed: noc [at] linkbrasil.net.br 20240215 source: RADB last-modified: 2024-02-15T11:47:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:7960::/32 origin: AS271302 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: fernandofibratec [at] gmail.com mnt-by: MAINT-AS271302 source: TC last-modified: 2021-05-10T22:38:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source