These entries are queried from radb.net using whois, you can try my project getting these.
:AS264398 route: 45.239.176.0/22 origin: AS264398 descr: This is a BR.Digital customer proxy route object that was created because no existing route object with the same origin was found. Please contact bgp [at] br.digital if you have any questions regarding this object. mnt-by: MAINT-AS14840 changed: glcastro [at] br.digital 20230324 #13:50:37Z source: RADB last-modified: 2023-11-13T16:15:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.161.224.0/22 descr: AS264398-NEOJAIME origin: AS264398 notify: suporte [at] wirelink.com.br notify: bgp [at] wirelink.com.br mnt-by: MAINT-AS61832 changed: suporte [at] wirelink.com.br 20200513 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.161.224.0/22 descr: neojaime oliveira ribeiro me origin: AS264398 notify: db-admin [at] bgp.net.br mnt-by: MAINT-AS264398 changed: db-admin [at] bgp.net.br 20190911 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: 131.161.224.0/22 descr: CLARO S.A. Customer origin: AS264398 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.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 route: 131.161.224.0/23 descr: Angola Cables proxy-registered route object for customer AS264398 origin: AS264398 remarks: *********************************************** remarks: This object is for *AS264398* 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: 131.161.226.0/23 descr: CLIENTE_MOB_neojaime oliveira ribeiro me origin: AS264398 mnt-by: MAINT-AS28598 changed: mauricio.maehara [at] mobtelecom.com.br 20180504 #23:49:57Z source: RADB last-modified: 2023-11-13T16:12:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:1dd8::/32 descr: DB3 origin: AS264398 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20180404 #20:20:12Z source: RADB last-modified: 2023-11-13T15:53:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source