These entries are queried from radb.net using whois, you can try my project getting these.
:AS61852 route: 131.0.68.0/24 descr: Angola Cables proxy-registered route object for customer AS61852 origin: AS61852 remarks: *********************************************** remarks: This object is for *AS61852* 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: 2023-11-13T15:54:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.0.70.0/24 descr: CLARO S.A. Customer origin: AS61852 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20180815 source: RADB last-modified: 2023-11-13T15:54:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.0.71.0/24 descr: CLARO S.A. Customer origin: AS61852 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20180821 source: RADB last-modified: 2023-11-13T15:54:28Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2801:80:bc0::/44 descr: ITX-SAMM origin: AS61852 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20180905 #18:19:58Z source: RADB last-modified: 2023-11-13T15:54:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2801:80:bc4::/47 descr: CLARO S.A. Customer origin: AS61852 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20221121 source: RADB last-modified: 2023-11-13T16:13:08Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source