These entries are queried from radb.net using whois, you can try my project getting these.
:AS266499 route: 170.244.148.0/22 descr: PROXY FOR OUR CUSTUMER origin: AS266499 mnt-by: MAINT-AS263558 changed: jetelecom [at] jetelecom.com.br 20210118 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.244.148.0/22 origin: AS266499 descr: Proxy Route for Clienteorigin: 262476 mnt-by: MAINT-262476 changed: suporte [at] brcentral.com.br 20171220 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.244.148.0/22 descr: AS-RDT-CUSTOMER-266499 origin: AS266499 remarks: Cliente do Cliente RD Telecom (Jet internet) remarks: AS PATH 267613 263558 266499 remarks: Usuario XConn gcecilio 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: guilherme.cecilio [at] eletronet.com 20200309 #16:22:15Z source: RADB last-modified: 2023-11-13T16:00:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.244.148.0/23 descr: CLARO S.A. Customer origin: AS266499 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210921 source: RADB last-modified: 2023-11-13T16:08:14Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.244.148.0/24 descr: CLARO S.A. Customer origin: AS266499 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20220428 source: RADB last-modified: 2023-11-13T16:10:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.244.149.0/24 descr: CLARO S.A. Customer origin: AS266499 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20220428 source: RADB last-modified: 2023-11-13T16:10:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.244.150.0/23 descr: CLARO S.A. Customer origin: AS266499 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210922 source: RADB last-modified: 2023-11-13T16:08:14Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.244.150.0/24 descr: CLARO S.A. Customer origin: AS266499 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20220428 source: RADB last-modified: 2023-11-13T16:10:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.244.151.0/24 descr: CLARO S.A. Customer origin: AS266499 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20220112 source: RADB last-modified: 2023-11-13T16:09:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:38c0::/32 descr: PROXY FOR OUR COSTUMER CONE origin: AS266499 mnt-by: MAINT-AS263558 changed: jetelecom [at] jetelecom.com.br 20210118 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:38c0::/32 origin: AS266499 descr: CUSTOMER HC TELECOM PROVEDOR DE INTERNET LTDA-ME mnt-by: MAINT-AS28598 changed: cassio.passos [at] mobtelecom.com.br 20190417 #17:21:28Z source: RADB last-modified: 2023-11-13T16:12:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source