These entries are queried from radb.net using whois, you can try my project getting these.
:AS267433 route: 164.163.64.0/22 descr: AS267433-KNET origin: AS267433 notify: suporte [at] wirelink.com.br notify: bgp [at] wirelink.com.br mnt-by: MAINT-AS61832 changed: suporte [at] wirelink.com.br 20200505 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 164.163.64.0/22 origin: AS267433 descr: Cliente ITS_Transito IP: DOWNSTREAM DO NOSSO CLIENTE ASN264459 mnt-by: MAINT-AS28186 changed: rafael [at] itsbrasil.net 20200527 #13:58:38Z source: RADB last-modified: 2023-11-13T16:00:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 164.163.66.0/24 descr: CLARO S.A. Customer origin: AS267433 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210913 source: RADB last-modified: 2023-11-13T16:08:13Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:4170::/32 descr: ITX-DB3 origin: AS267433 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20171206 #13:52:46Z source: RADB last-modified: 2023-11-13T15:52:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source