These entries are queried from radb.net using whois, you can try my project getting these.
:AS265147 route: 143.255.128.0/22 descr: UP Telecom e serv de multim\xeddia e comercio ltda-me origin: AS265147 mnt-by: MAINT-AS265147 notify: db-admin [at] bgp.net.br changed: db-admin [at] bgp.net.br 20151207 #13:33:06(BRST) source: TC last-modified: 2021-05-05T02:07:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.255.128.0/22 descr: UP Fibra origin: AS265147 mnt-by: MAINT-AS265147 changed: suporte [at] intecsolutions.com.br 20220428 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.255.128.0/22 descr: CLARO S.A. Customer origin: AS265147 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20220829 source: RADB last-modified: 2023-11-13T16:12:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.255.128.0/23 descr: Angola Cables proxy-registered route object for customer AS265147 origin: AS265147 remarks: *********************************************** remarks: This object is for *AS265147* customer routes remarks: which is being exported from this source AS. remarks: remarks: This route object was create because no existing remarks: route object with the same sources was found, and remarks: since some Angola Cables peers filter based on remarks: these objects these routes may be rejected if remarks: this object is not created. remarks: remarks: Please contact peering [at] angolacables.co.ao if you remarks: have any questions regarding this object. remarks: *********************************************** mnt-by: MAINT-AS37468 changed: humberto.galiza [at] angolacables.co.ao 20180928 #23:38:34Z source: RADB last-modified: 2023-11-13T15:54:56Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.255.128.0/24 descr: UP-TELECOM origin: AS265147 mnt-by: MAINT-AS53087 changed: noc [at] tely.com.br 20180330 #16:26:10Z source: RADB last-modified: 2023-11-13T15:53:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.255.129.0/24 descr: UP-TELECOM origin: AS265147 mnt-by: MAINT-AS53087 changed: noc [at] tely.com.br 20180330 #16:26:31Z source: RADB last-modified: 2023-11-13T15:53:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.255.130.0/23 descr: AS265147 origin: AS265147 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20180411 #13:04:46Z source: RADB last-modified: 2023-11-13T15:53:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.255.130.0/24 descr: UP-TELECOM origin: AS265147 mnt-by: MAINT-AS53087 changed: noc [at] tely.com.br 20180330 #16:26:55Z source: RADB last-modified: 2023-11-13T15:53:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.255.131.0/24 descr: UP-TELECOM origin: AS265147 mnt-by: MAINT-AS53087 changed: noc [at] tely.com.br 20180330 #16:27:19Z source: RADB last-modified: 2023-11-13T15:53:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:12d4::/32 descr: This is a Commcorp Telecom customer proxy route object that was created because no existing route object with the same origin was found. Please contact noc [at] commcorp.com.br if you have any questions regarding this object. origin: AS265147 mnt-by: MAINT-AS14840 changed: gacosta [at] commcorp.com.br 20200721 source: RADB last-modified: 2023-11-13T16:01:14Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2b54::/32 descr: UP Fibra origin: AS265147 mnt-by: MAINT-AS265147 changed: suporte [at] intecsolutions.com.br 20220428 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2b54::/32 descr: ITX-DB3 origin: AS265147 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20181002 #19:19:26Z source: RADB last-modified: 2023-11-13T15:54:57Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2b54::/33 descr: CLARO S.A. Customer origin: AS265147 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20191017 source: RADB last-modified: 2023-11-13T15:58:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2b54::/34 descr: CLARO S.A. Customer origin: AS265147 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210531 source: RADB last-modified: 2023-11-13T16:05:47Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2b54:4000::/34 descr: CLARO S.A. Customer origin: AS265147 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210531 source: RADB last-modified: 2023-11-13T16:05:47Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2b54:8000::/33 descr: CLARO S.A. Customer origin: AS265147 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 route6: 2804:2b54:8000::/34 descr: CLARO S.A. Customer origin: AS265147 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210531 source: RADB last-modified: 2023-11-13T16:05:47Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2b54:c000::/34 descr: CLARO S.A. Customer origin: AS265147 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20191016 source: RADB last-modified: 2023-11-13T15:58:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source