These entries are queried from radb.net using whois, you can try my project getting these.
:AS264079 route: 143.208.28.0/22 descr: ALANN EUDES DE SOUZA PEREIRA - ME origin: AS264079 notify: db-admin [at] bgp.net.br mnt-by: MAINT-AS264079 changed: db-admin [at] bgp.net.br 20210316 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: 143.208.28.0/22 descr: AS264079 origin: AS264079 notify: suporte [at] wirelink.com.br mnt-by: MAINT-AS61832 changed: suporte [at] wirelink.com.br 20201116 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.208.28.0/22 descr: MOB CUSTOMER AS264079 origin: AS264079 mnt-by: MAINT-AS28598 changed: fabricio.feijo [at] mobtelecom.com.br 20180504 source: RADB last-modified: 2023-11-13T16:12:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.208.28.0/24 descr: CLARO S.A. Customer origin: AS264079 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210719 source: RADB last-modified: 2023-11-13T16:07:58Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.208.29.0/24 descr: CLARO S.A. Customer origin: AS264079 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20201027 source: RADB last-modified: 2023-11-13T16:02:40Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.208.29.0/24 descr: PROXY FOR CUSTOMER ALANN EUDES DE SOUZA origin: AS264079 mnt-by: MAINT-AS263650 notify: matheus [at] routerx.net.br changed: matheus [at] routerx.net.br 20230123 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.208.30.0/23 descr: CLARO S.A. Customer origin: AS264079 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210713 source: RADB last-modified: 2023-11-13T16:07:52Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.208.30.0/24 descr: CLARO S.A. Customer origin: AS264079 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210701 source: RADB last-modified: 2023-11-13T16:07:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.208.31.0/24 descr: CLARO S.A. Customer origin: AS264079 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210701 source: RADB last-modified: 2023-11-13T16:07:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2a90::/32 descr: Proxy-registered route object remarks: --------------------------------- remarks: For SECURITY issues, please send messages to remarks: origin AS administrator remarks: (e.g. whois -h whois.registro.br AS264079) remarks: --------------------------------- remarks: This route is from a Oi customer which remarks: is being exported under origin AS below. remarks: It was created by us because no other remarks: route object with the same origin was found. remarks: --------------------------------- remarks: Please contact BGPOI-RADB if you have any remarks: questions regarding this object. remarks: --------------------------------- origin: AS264079 notify: ip-bgp [at] oi.net.br mnt-by: MAINT-AS8167 changed: ip-bgp [at] oi.net.br 20190904 source: RADB last-modified: 2023-11-13T15:57:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2a90::/32 descr: AS264079 origin: AS264079 notify: suporte [at] wirelink.com.br mnt-by: MAINT-AS61832 changed: suporte [at] wirelink.com.br 20201116 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2a90::/33 descr: CLARO S.A. Customer origin: AS264079 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20221108 source: RADB last-modified: 2023-11-13T16:13:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2a90:7800::/40 descr: CLARO S.A. Customer origin: AS264079 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20230629 source: RADB last-modified: 2023-11-13T16:17:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2a90:7900::/40 descr: CLARO S.A. Customer origin: AS264079 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20230629 source: RADB last-modified: 2023-11-13T16:17:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2a90:8000::/33 descr: CLARO S.A. Customer origin: AS264079 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20221108 source: RADB last-modified: 2023-11-13T16:13:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2a90:8000::/36 origin: AS264079 mnt-by: MAINT-AS262753 changed: flavio.farias [at] vocetelecom.vc 20231218 # 1341Z source: RADB last-modified: 2023-12-18T13:41:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source