These entries are queried from radb.net using whois, you can try my project getting these.
:AS267331 route: 45.233.240.0/22 descr: ITX-MHNET origin: AS267331 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20180925 #15:52:08Z source: RADB last-modified: 2023-11-13T15:54:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.233.240.0/24 descr: CLARO S.A. Customer origin: AS267331 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20220908 source: RADB last-modified: 2023-11-13T16:12:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.233.243.0/24 descr: AS-ATE-CUSTOMER-267331 origin: AS267331 remarks: Cliente do Cliente Acessoline Telecom remarks: AS PATH 267613 53062 262847 267331 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: filtrosbgpoperadoras [at] eletronet.com mnt-by: MAINT-AS267613 changed: filtrosbgpoperadoras [at] eletronet.com 20230420 #12:15:44Z source: RADB last-modified: 2023-11-13T16:16:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:4bd4::/32 descr: ITX-MHNET origin: AS267331 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20180925 #15:52:32Z source: RADB last-modified: 2023-11-13T15:54:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:4bd4::/36 descr: CLARO S.A. Customer origin: AS267331 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20220908 source: RADB last-modified: 2023-11-13T16:12:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source