These entries are queried from radb.net using whois, you can try my project getting these.
:AS267290 route: 45.233.28.0/22 descr: MAIS LINK INTERNET origin: AS267290 notify: noc [at] maislinkinternet.com.br mnt-by: MAINT-AS267290 changed: contato [at] suporte.network 20230328 #01:00:00Z source: TC last-modified: 2023-03-29T04:03:42Z rpki-ov-state: valid route: 45.233.28.0/22 descr: CLARO S.A. Customer origin: AS267290 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20230329 source: RADB last-modified: 2023-11-13T16:15:38Z rpki-ov-state: valid route: 45.233.28.0/22 descr: PROXY FOR CUSTOMER UPLINK origin: AS267290 mnt-by: MAINT-AS265290 notify: junior [at] routerx.net.br changed: junior [at] routerx.net.br 20220201 source: ALTDB rpki-ov-state: valid route: 45.233.28.0/24 descr: MAIS LINK INTERNET origin: AS267290 notify: noc [at] maislinkinternet.com.br mnt-by: MAINT-AS267290 changed: contato [at] suporte.network 20230328 #01:00:00Z source: TC last-modified: 2023-03-29T04:03:42Z rpki-ov-state: valid route: 45.233.29.0/24 descr: MAIS LINK INTERNET origin: AS267290 notify: noc [at] maislinkinternet.com.br mnt-by: MAINT-AS267290 changed: contato [at] suporte.network 20230328 #01:00:00Z source: TC last-modified: 2023-03-29T04:03:42Z rpki-ov-state: valid route: 45.233.30.0/24 descr: MAIS LINK INTERNET origin: AS267290 notify: noc [at] maislinkinternet.com.br mnt-by: MAINT-AS267290 changed: contato [at] suporte.network 20230328 #01:00:00Z source: TC last-modified: 2023-03-29T04:03:42Z rpki-ov-state: valid route: 45.233.31.0/24 descr: MAIS LINK INTERNET origin: AS267290 notify: noc [at] maislinkinternet.com.br mnt-by: MAINT-AS267290 changed: contato [at] suporte.network 20230328 #01:00:00Z source: TC last-modified: 2023-03-29T04:03:42Z rpki-ov-state: valid route6: 2804:4b34::/32 descr: MAIS LINK INTERNET origin: AS267290 notify: noc [at] maislinkinternet.com.br mnt-by: MAINT-AS267290 changed: contato [at] suporte.network 20230328 #01:00:00Z source: TC last-modified: 2023-03-29T04:04:04Z rpki-ov-state: valid route6: 2804:4b34::/32 descr: Angola Cables proxy-registered route object for customer AS267290 origin: AS267290 remarks: *********************************************** remarks: This object is for *AS267290* 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: noc [at] angolacables.co.ao 20190311 #20:34:07Z source: RADB last-modified: 2023-11-13T15:55:44Z rpki-ov-state: valid route6: 2804:4b34::/32 descr: PROXY FOR CUSTOMER UPLINK origin: AS267290 mnt-by: MAINT-AS265290 notify: junior [at] routerx.net.br changed: junior [at] routerx.net.br 20220201 source: ALTDB rpki-ov-state: valid