These entries are queried from radb.net using whois, you can try my project getting these.
:AS264088 route: 143.208.4.0/22 descr: AS264088 origin: AS264088 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20160920 #20:08:11Z source: RADB last-modified: 2023-11-13T15:49:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.208.4.0/23 descr: Angola Cables proxy-registered route object for customer AS264088 origin: AS264088 remarks: *********************************************** remarks: This object is for *AS264088* 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: 143.208.4.0/24 descr: MATRIX origin: AS264088 mnt-by: MAINT-AS53087 changed: noc [at] tely.com.br 20180317 #22:14:44Z source: RADB last-modified: 2023-11-13T15:53:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.208.5.0/24 descr: MATRIX origin: AS264088 mnt-by: MAINT-AS53087 changed: noc [at] tely.com.br 20180317 #22:15:06Z source: RADB last-modified: 2023-11-13T15:53:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.208.6.0/23 descr: Angola Cables proxy-registered route object for customer AS264088 origin: AS264088 remarks: *********************************************** remarks: This object is for *AS264088* 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: 143.208.6.0/24 descr: MATRIX origin: AS264088 mnt-by: MAINT-AS53087 changed: noc [at] tely.com.br 20180317 #22:15:34Z source: RADB last-modified: 2023-11-13T15:53:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.208.7.0/24 descr: MATRIX origin: AS264088 mnt-by: MAINT-AS53087 changed: noc [at] tely.com.br 20180317 #22:16:04Z source: RADB last-modified: 2023-11-13T15:53:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:1ef4::/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: AS264088 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: 2804:2aa8::/32 descr: AS264088 origin: AS264088 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20160920 #20:08:58Z source: RADB last-modified: 2023-11-13T15:49:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2aa8::/33 descr: CLARO S.A. Customer origin: AS264088 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20231215 source: RADB last-modified: 2023-12-15T19:57:13Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2aa8:8000::/33 descr: CLARO S.A. Customer origin: AS264088 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20231215 source: RADB last-modified: 2023-12-15T19:57:13Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source