These entries are queried from radb.net using whois, you can try my project getting these.
:AS61890 route: 138.204.212.0/22 descr: Adaptlink Servi\xe7os de Comunica\xe7\xe3o Multim\xeddia Ltda. origin: AS61890 mnt-by: MAINT-AS61890 notify: db-admin [at] bgp.net.br changed: db-admin [at] bgp.net.br 20160121 #10:00:50(BRST) source: TC last-modified: 2021-05-05T02:07:41Z rpki-ov-state: valid route: 170.150.24.0/22 descr: PROXY FOR OPENX CUSTOMER origin: AS61890 mnt-by: MAINT-AS263444 notify: registro [at] openx.com.br changed: registro [at] openx.com.br 20190529 remarks: Wed May 29 17:38:46 2019 source: RADB last-modified: 2023-11-13T16:00:23Z rpki-ov-state: valid route: 186.219.120.0/21 descr: PROXY FOR OPENX CUSTOMER origin: AS61890 mnt-by: MAINT-AS263444 notify: registro [at] openx.com.br changed: registro [at] openx.com.br 20210518 remarks: Tue May 18 13:36:22 2021 source: RADB last-modified: 2023-11-13T16:05:44Z rpki-ov-state: valid route6: 2804:eb4::/32 descr: PROXY FOR OPENX CUSTOMER origin: AS61890 mnt-by: MAINT-AS263444 notify: registro [at] openx.com.br changed: registro [at] openx.com.br 20210518 remarks: Tue May 18 14:20:37 2021 source: RADB last-modified: 2023-11-13T16:05:44Z rpki-ov-state: valid