These entries are queried from radb.net using whois, you can try my project getting these.
:AS266604 route: 128.201.18.0/23 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 AS266604) 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: AS266604 notify: ip-bgp [at] oi.net.br mnt-by: MAINT-AS8167 changed: ip-bgp [at] oi.net.br 20171114 source: RADB last-modified: 2023-11-13T15:53:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 128.201.18.0/24 descr: CLARO S.A. Customer origin: AS266604 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20230922 source: RADB last-modified: 2023-11-13T16:18:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 128.201.19.0/24 descr: CLARO S.A. Customer origin: AS266604 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20180912 source: RADB last-modified: 2023-11-13T15:54:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2801:80:1ce0::/44 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 AS266604) 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: AS266604 notify: ip-bgp [at] oi.net.br mnt-by: MAINT-AS8167 changed: ip-bgp [at] oi.net.br 20171114 source: RADB last-modified: 2023-11-13T15:53:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source