These entries are queried from radb.net using whois, you can try my project getting these.
:AS61723 route: 131.72.40.0/22 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 AS61723) 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: AS61723 notify: ip-bgp [at] oi.net.br mnt-by: MAINT-AS8167 changed: ip-bgp [at] oi.net.br 20180220 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: 131.72.40.0/24 origin: AS61723 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: fterra [at] br.digital 20211119 #16:54:15Z source: RADB last-modified: 2023-11-13T16:08:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.72.41.0/24 origin: AS61723 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: fterra [at] br.digital 20211119 #16:58:39Z source: RADB last-modified: 2023-11-13T16:08:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.72.42.0/24 descr: CLARO S.A. Customer origin: AS61723 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20230413 source: RADB last-modified: 2023-11-13T16:16:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.72.43.0/24 origin: AS61723 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: fterra [at] br.digital 20211119 #16:59:05Z source: RADB last-modified: 2023-11-13T16:08:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:1b58::/32 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 AS61723) 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: AS61723 notify: ip-bgp [at] oi.net.br mnt-by: MAINT-AS8167 changed: ip-bgp [at] oi.net.br 20180220 source: RADB last-modified: 2023-11-13T15:53:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source