These entries are queried from radb.net using whois, you can try my project getting these.
:AS53112 route: 138.97.4.0/22 descr: SULNET TELECOM origin: AS53112 mnt-by: MAINT-AS53112 notify: noc [at] sulnet.net.br changed: noc [at] sulnet.net.br 20210915 source: TC last-modified: 2021-09-16T00:27:41Z rpki-ov-state: valid route: 138.97.4.0/22 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. origin: AS53112 mnt-by: MAINT-AS14840 changed: gacosta [at] br.digital 20211026 #18:00:02Z source: RADB last-modified: 2023-11-13T16:08:35Z rpki-ov-state: valid route: 143.255.60.0/22 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. origin: AS53112 mnt-by: MAINT-AS14840 changed: gacosta [at] br.digital 20211026 #18:00:02Z source: RADB last-modified: 2023-11-13T16:08:35Z rpki-ov-state: valid route: 143.255.60.0/22 descr: SULNET TELECOM origin: AS53112 mnt-by: MAINT-AS53112 notify: noc [at] sulnet.net.br changed: noc [at] sulnet.net.br 20210915 source: TC last-modified: 2021-09-16T00:27:41Z rpki-ov-state: valid route: 170.231.72.0/22 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. origin: AS53112 mnt-by: MAINT-AS14840 changed: gacosta [at] br.digital 20211026 #18:00:02Z source: RADB last-modified: 2023-11-13T16:08:35Z rpki-ov-state: valid route: 170.231.72.0/22 descr: SULNET TELECOM origin: AS53112 mnt-by: MAINT-AS53112 notify: noc [at] sulnet.net.br changed: noc [at] sulnet.net.br 20210915 source: TC last-modified: 2021-09-16T00:27:41Z rpki-ov-state: valid route: 177.23.8.0/21 descr: SULNET TELECOM origin: AS53112 mnt-by: MAINT-AS53112 notify: noc [at] sulnet.net.br changed: noc [at] sulnet.net.br 20210915 source: TC last-modified: 2021-09-16T00:27:41Z rpki-ov-state: valid route: 177.23.8.0/21 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. origin: AS53112 mnt-by: MAINT-AS14840 changed: gacosta [at] br.digital 20211026 #18:00:02Z source: RADB last-modified: 2023-11-13T16:08:35Z rpki-ov-state: valid route: 187.109.16.0/20 descr: SULNET TELECOM origin: AS53112 mnt-by: MAINT-AS53112 notify: noc [at] sulnet.net.br changed: noc [at] sulnet.net.br 20210602 source: TC last-modified: 2021-06-02T19:18:54Z rpki-ov-state: valid route: 187.109.16.0/22 descr: SULNET TELECOM origin: AS53112 mnt-by: MAINT-AS53112 notify: noc [at] sulnet.net.br changed: noc [at] sulnet.net.br 20210602 source: TC last-modified: 2021-06-02T19:18:54Z rpki-ov-state: valid route: 187.109.16.0/24 descr: SULNET TELECOM origin: AS53112 mnt-by: MAINT-AS53112 notify: noc [at] sulnet.net.br changed: noc [at] sulnet.net.br 20211112 source: TC last-modified: 2021-11-12T20:04:05Z rpki-ov-state: valid route: 187.109.20.0/22 descr: SULNET TELECOM origin: AS53112 mnt-by: MAINT-AS53112 notify: noc [at] sulnet.net.br changed: noc [at] sulnet.net.br 20210602 source: TC last-modified: 2021-06-02T19:18:54Z rpki-ov-state: valid route: 187.109.24.0/22 descr: SULNET TELECOM origin: AS53112 mnt-by: MAINT-AS53112 notify: noc [at] sulnet.net.br changed: noc [at] sulnet.net.br 20210602 source: TC last-modified: 2021-06-02T19:18:54Z rpki-ov-state: valid route: 187.109.28.0/22 descr: SULNET TELECOM origin: AS53112 mnt-by: MAINT-AS53112 notify: noc [at] sulnet.net.br changed: noc [at] sulnet.net.br 20210602 source: TC last-modified: 2021-06-02T19:18:54Z rpki-ov-state: valid route: 189.90.144.0/20 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. origin: AS53112 mnt-by: MAINT-AS14840 changed: gacosta [at] br.digital 20211026 #18:00:02Z source: RADB last-modified: 2023-11-13T16:08:35Z rpki-ov-state: valid route: 189.90.144.0/20 descr: SULNET TELECOM origin: AS53112 mnt-by: MAINT-AS53112 notify: noc [at] sulnet.net.br changed: noc [at] sulnet.net.br 20210602 source: TC last-modified: 2021-06-02T19:18:54Z rpki-ov-state: valid route: 189.90.144.0/22 descr: SULNET TELECOM origin: AS53112 mnt-by: MAINT-AS53112 notify: noc [at] sulnet.net.br changed: noc [at] sulnet.net.br 20210602 source: TC last-modified: 2021-06-02T19:18:54Z rpki-ov-state: valid route: 189.90.148.0/22 descr: SULNET TELECOM origin: AS53112 mnt-by: MAINT-AS53112 notify: noc [at] sulnet.net.br changed: noc [at] sulnet.net.br 20210602 source: TC last-modified: 2021-06-02T19:18:54Z rpki-ov-state: valid route: 189.90.152.0/22 descr: SULNET TELECOM origin: AS53112 mnt-by: MAINT-AS53112 notify: noc [at] sulnet.net.br changed: noc [at] sulnet.net.br 20210602 source: TC last-modified: 2021-06-02T19:18:54Z rpki-ov-state: valid route: 189.90.156.0/22 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 AS53112) 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: AS53112 notify: ip-bgp [at] oi.net.br mnt-by: MAINT-AS8167 changed: ip-bgp [at] oi.net.br 20180703 source: RADB last-modified: 2023-11-13T15:54:02Z rpki-ov-state: valid route: 189.90.156.0/22 descr: SULNET TELECOM origin: AS53112 mnt-by: MAINT-AS53112 notify: noc [at] sulnet.net.br changed: noc [at] sulnet.net.br 20210602 source: TC last-modified: 2021-06-02T19:18:54Z rpki-ov-state: valid route6: 2804:d0c::/32 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. origin: AS53112 mnt-by: MAINT-AS14840 changed: gacosta [at] br.digital 20211027 #10:00:02Z source: RADB last-modified: 2023-11-13T16:08:35Z rpki-ov-state: valid route6: 2804:d0c::/32 descr: SULNET TELECOM origin: AS53112 mnt-by: MAINT-AS53112 notify: noc [at] sulnet.net.br changed: noc [at] sulnet.net.br 20210602 source: TC last-modified: 2021-06-02T19:18:54Z rpki-ov-state: valid route6: 2804:d0c::/36 descr: SULNET TELECOM origin: AS53112 mnt-by: MAINT-AS53112 notify: noc [at] sulnet.net.br changed: noc [at] sulnet.net.br 20210602 source: TC last-modified: 2021-06-02T19:18:54Z rpki-ov-state: valid route6: 2804:d0c:8000::/40 descr: SULNET TELECOM origin: AS53112 mnt-by: MAINT-AS53112 notify: noc [at] sulnet.net.br changed: noc [at] sulnet.net.br 20230503 source: TC last-modified: 2023-05-04T12:34:32Z rpki-ov-state: valid