These entries are queried from radb.net using whois, you can try my project getting these.
:AS271503 route: 181.233.140.0/22 origin: AS271503 descr: PROXY FOR OUR CUSTOMER CONE mnt-by: MAINT-AS266583 changed: suporte [at] telxe.com.br 20220505 source: ALTDB rpki-ov-state: valid route: 181.233.140.0/22 descr: Provedor Supercell (AS271503) origin: AS271503 notify: suporte [at] natverk.com.br mnt-by: MAINT-AS271503 changed: josebrito78 [at] hotmail.com 20221109 source: TC last-modified: 2022-11-09T15:12:22Z rpki-ov-state: valid route: 181.233.140.0/22 descr: PROXY FOR OPENX CUSTOMER origin: AS271503 mnt-by: MAINT-AS263444 notify: registro [at] openx.com.br changed: registro [at] openx.com.br 20211206 remarks: Mon Dec 6 15:50:11 2021 source: RADB last-modified: 2023-11-13T16:09:02Z rpki-ov-state: valid route: 181.233.140.0/23 descr: Provedor Supercell (AS271503) origin: AS271503 notify: suporte [at] natverk.com.br mnt-by: MAINT-AS271503 changed: josebrito78 [at] hotmail.com 20221109 source: TC last-modified: 2022-11-09T15:12:22Z rpki-ov-state: valid route: 181.233.140.0/24 descr: PRIME SYSTEM TELECOM - Proxy for customer PROVEDOR SUPERCELL NET origin: AS271503 mnt-by: MAINT-AS61858 changed: irrprime [at] primesystem.net.br 20230829 source: ALTDB rpki-ov-state: valid route: 181.233.140.0/24 descr: Provedor Supercell (AS271503) origin: AS271503 notify: suporte [at] natverk.com.br mnt-by: MAINT-AS271503 changed: josebrito78 [at] hotmail.com 20221109 source: TC last-modified: 2022-11-09T15:12:22Z rpki-ov-state: valid route: 181.233.141.0/24 descr: Provedor Supercell (AS271503) origin: AS271503 notify: suporte [at] natverk.com.br mnt-by: MAINT-AS271503 changed: josebrito78 [at] hotmail.com 20221109 source: TC last-modified: 2022-11-09T15:12:22Z rpki-ov-state: valid route: 181.233.142.0/23 descr: Provedor Supercell (AS271503) origin: AS271503 notify: suporte [at] natverk.com.br mnt-by: MAINT-AS271503 changed: josebrito78 [at] hotmail.com 20221109 source: TC last-modified: 2022-11-09T15:12:22Z rpki-ov-state: valid route: 181.233.142.0/24 descr: Provedor Supercell (AS271503) origin: AS271503 notify: suporte [at] natverk.com.br mnt-by: MAINT-AS271503 changed: josebrito78 [at] hotmail.com 20221109 source: TC last-modified: 2022-11-09T15:12:22Z rpki-ov-state: valid route: 181.233.143.0/24 descr: Provedor Supercell (AS271503) origin: AS271503 notify: suporte [at] natverk.com.br mnt-by: MAINT-AS271503 changed: josebrito78 [at] hotmail.com 20221109 source: TC last-modified: 2022-11-09T15:12:22Z rpki-ov-state: valid route: 181.233.143.0/24 descr: AS-INT-CUSTOMER-271503 origin: AS271503 remarks: Cliente do Cliente Integrato remarks: AS PATH 267613 264953 271503 remarks: Usuario XConn ualmeida remarks: ************************************************************ remarks: This is a Eletronet customer proxy route object that was cre remarks: ated because no existing route object with the same origin w remarks: as found. Please contact noc [at] eletronet.net.br if you have an remarks: y questions regarding this object. remarks: ************************************************************ notify: filtrosbgpoperadoras [at] eletronet.com mnt-by: MAINT-AS267613 changed: FiltrosBGPOperadoras [at] eletronet.com 20221219 #09:11:26Z source: RADB last-modified: 2023-11-13T16:13:14Z rpki-ov-state: valid route6: 2804:7c8c::/32 origin: AS271503 descr: PROXY FOR OUR CUSTOMER CONE mnt-by: MAINT-AS266583 changed: suporte [at] telxe.com.br 20220505 source: ALTDB rpki-ov-state: valid route6: 2804:7c8c::/32 descr: AS-TMK-CUSTOMER-271503 origin: AS271503 remarks: Cliente do Cliente TMK NET TELECOMUNICACOES LTDA remarks: AS PATH 267613 265407 271503 remarks: Usuario XConn rsousa remarks: ************************************************************ remarks: This is a Eletronet customer proxy route object that was cre remarks: ated because no existing route object with the same origin w remarks: as found. Please contact noc [at] eletronet.net.br if you have an remarks: y questions regarding this object. remarks: ************************************************************ notify: filtrosbgpoperadoras [at] eletronet.com mnt-by: MAINT-AS267613 changed: filtrosbgpoperadoras [at] eletronet.com 20230707 #07:57:39Z source: RADB last-modified: 2023-11-13T16:17:41Z rpki-ov-state: valid route6: 2804:7c8c::/32 descr: Provedor Supercell (AS271503) origin: AS271503 mnt-by: MAINT-AS271503 changed: josebrito78 [at] hotmail.com 20221109 source: TC last-modified: 2022-11-09T18:26:36Z rpki-ov-state: valid