These entries are queried from radb.net using whois, you can try my project getting these.
:AS267389 route: 45.234.252.0/22 descr: 5GNETRV origin: AS267389 mnt-by: MAINT-AS267389 changed: noc [at] 5gnetrv.com 20230206 source: ALTDB rpki-ov-state: valid route: 45.234.252.0/22 descr: G8 Customer Proxy Route origin: AS267389 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20231003 source: RADB last-modified: 2023-11-13T16:18:47Z rpki-ov-state: valid route: 45.234.252.0/22 origin: AS267389 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: magnorob [at] gmail.com mnt-by: MAINT-AS267389 source: TC last-modified: 2021-08-23T20:33:16Z rpki-ov-state: valid route: 45.234.252.0/23 descr: 5GNETRV origin: AS267389 mnt-by: MAINT-AS267389 changed: noc [at] 5gnetrv.com 20230206 source: ALTDB rpki-ov-state: valid route: 45.234.252.0/23 descr: CLARO S.A. Customer origin: AS267389 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210201 source: RADB last-modified: 2023-11-13T16:03:31Z rpki-ov-state: valid route: 45.234.252.0/24 descr: CLARO S.A. Customer origin: AS267389 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210209 source: RADB last-modified: 2023-11-13T16:03:35Z rpki-ov-state: valid route: 45.234.253.0/24 descr: CLARO S.A. Customer origin: AS267389 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210806 source: RADB last-modified: 2023-11-13T16:08:02Z rpki-ov-state: valid route: 45.234.253.0/24 descr: 5GNETRV origin: AS267389 mnt-by: MAINT-AS267389 changed: noc [at] 5gnetrv.com 20230206 source: ALTDB rpki-ov-state: valid route: 45.234.254.0/23 descr: CLARO S.A. Customer origin: AS267389 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210129 source: RADB last-modified: 2023-11-13T16:03:31Z rpki-ov-state: valid route: 45.234.254.0/24 descr: 5GNETRV origin: AS267389 mnt-by: MAINT-AS267389 changed: noc [at] 5gnetrv.com 20230206 source: ALTDB rpki-ov-state: valid route: 45.234.254.0/24 descr: CLARO S.A. Customer origin: AS267389 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210209 source: RADB last-modified: 2023-11-13T16:03:35Z rpki-ov-state: valid route: 45.234.255.0/24 descr: CLARO S.A. Customer origin: AS267389 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210927 source: RADB last-modified: 2023-11-13T16:08:15Z rpki-ov-state: valid route: 45.234.255.0/24 descr: 5GNETRV origin: AS267389 mnt-by: MAINT-AS267389 changed: noc [at] 5gnetrv.com 20230206 source: ALTDB rpki-ov-state: valid route6: 2804:3980::/32 descr: PROXY FOR OUR CUSTOMER CONE origin: AS267389 mnt-by: MAINT-AS266233 changed: noc [at] speednetgoias.com.br 20220905 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:4a5c::/32 descr: PROXY FOR OUR CUSTOMER CONE origin: AS267389 mnt-by: MAINT-AS266233 changed: noc [at] speednetgoias.com.br 20220905 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:4cc0::/32 descr: G8 Customer Proxy Route origin: AS267389 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20231003 source: RADB last-modified: 2023-11-13T16:18:47Z rpki-ov-state: valid route6: 2804:4cc0::/32 origin: AS267389 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: magnorob [at] gmail.com mnt-by: MAINT-AS267389 source: TC last-modified: 2021-08-23T20:33:16Z rpki-ov-state: valid route6: 2804:4cc0::/32 descr: 5GNETRV origin: AS267389 mnt-by: MAINT-AS267389 changed: noc [at] 5gnetrv.com 20230206 source: ALTDB rpki-ov-state: valid route6: 2804:59b4::/32 descr: PROXY FOR OUR CUSTOMER CONE origin: AS267389 mnt-by: MAINT-AS266233 changed: noc [at] speednetgoias.com.br 20220905 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source