These entries are queried from radb.net using whois, you can try my project getting these.
:AS262834 route: 186.251.192.0/21 origin: AS262834 descr: This is a Antel customer proxy route object. Please contact customer-service [at] antel.net.uy if you have any questions regarding this object. mnt-by: MAINT-AS6057 changed: uai [at] antel.com.uy 20190222 #17:03:46Z source: RADB last-modified: 2023-11-13T15:55:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 186.251.192.0/22 descr: CLARO S.A. Customer origin: AS262834 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20230224 source: RADB last-modified: 2023-11-13T16:15:21Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 186.251.196.0/22 descr: CLARO S.A. Customer origin: AS262834 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20230224 source: RADB last-modified: 2023-11-13T16:15:21Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 186.251.196.0/24 descr: CLARO S.A. Customer origin: AS262834 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210118 source: RADB last-modified: 2023-11-13T16:03:24Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 186.251.198.0/23 descr: CLARO S.A. Customer origin: AS262834 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20230329 source: RADB last-modified: 2023-11-13T16:15:38Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2c0::/32 origin: AS262834 descr: This is a Antel customer proxy route object. Please contact customer-service [at] antel.net.uy if you have any questions regarding this object. mnt-by: MAINT-AS6057 changed: uai [at] antel.com.uy 20190222 #17:08:39Z source: RADB last-modified: 2023-11-13T15:55:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2c0::/34 descr: CLARO S.A. Customer origin: AS262834 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20230306 source: RADB last-modified: 2023-11-13T16:15:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2c0:4000::/34 descr: CLARO S.A. Customer origin: AS262834 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20230306 source: RADB last-modified: 2023-11-13T16:15:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2c0:4200::/45 descr: CLARO S.A. Customer origin: AS262834 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210330 source: RADB last-modified: 2023-11-13T16:05:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2c0:8000::/34 descr: CLARO S.A. Customer origin: AS262834 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20230306 source: RADB last-modified: 2023-11-13T16:15:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2c0:c000::/34 descr: CLARO S.A. Customer origin: AS262834 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20230306 source: RADB last-modified: 2023-11-13T16:15:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2c0:fbc4::/48 descr: CLARO S.A. Customer origin: AS262834 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210427 source: RADB last-modified: 2023-11-13T16:05:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source