These entries are queried from radb.net using whois, you can try my project getting these.
:AS263438 route: 138.59.252.0/22 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 AS263438) 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: AS263438 notify: ip-bgp [at] oi.net.br mnt-by: MAINT-AS8167 changed: ip-bgp [at] oi.net.br 20171108 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: 138.59.252.0/24 descr: Angola Cables proxy-registered route object for customer AS263438 origin: AS263438 remarks: *********************************************** remarks: This object is for *AS263438* 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: 138.59.254.0/23 descr: CLARO S.A. Customer origin: AS263438 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210615 source: RADB last-modified: 2023-11-13T16:05:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 138.59.255.0/24 descr: CLARO S.A. Customer origin: AS263438 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210618 source: RADB last-modified: 2023-11-13T16:05:51Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.91.38.0/24 descr: ITX-GRUPOG1 origin: AS263438 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20180517 #14:07:18Z source: RADB last-modified: 2023-11-13T15:53:40Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.128.204.0/22 descr: PROXY FOR OUR CUSTUMER CONE origin: AS263438 mnt-by: MAINT-AS263558 changed: jetelecom [at] jetelecom.com.br 20210118 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2801:80:870::/48 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 AS263438) 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: AS263438 notify: ip-bgp [at] oi.net.br mnt-by: MAINT-AS8167 changed: ip-bgp [at] oi.net.br 20171108 source: RADB last-modified: 2023-11-13T15:53:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2801:8870::/32 descr: ITX-GRUPOG1 origin: AS263438 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20180517 #14:16:00Z source: RADB last-modified: 2023-11-13T15:53:40Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:15e8::/32 descr: PROXY FOR OUR COSTUMER CONE origin: AS263438 mnt-by: MAINT-AS263558 changed: jetelecom [at] jetelecom.com.br 20201228 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source