These entries are queried from radb.net using whois, you can try my project getting these.
:AS264020 route: 143.0.144.0/22 descr: This is a Commcorp Telecom customer proxy route object that was created because no existing route object with the same origin was found. Please contact noc [at] commcorp.com.br if you have any questions regarding this object. origin: AS264020 mnt-by: MAINT-AS14840 changed: gacosta [at] commcorp.com.br 20200721 source: RADB last-modified: 2023-11-13T16:01:14Z rpki-ov-state: valid route: 143.0.144.0/22 descr: FAST TELECOM origin: AS264020 mnt-by: MAINT-AS264020 changed: junior [at] routerx.net.br 20200213 source: ALTDB rpki-ov-state: valid route: 143.0.144.0/22 descr: FOXNET SISTEMA DE CONECTIVIDADE LTDA-ME origin: AS264020 mnt-by: MAINT-AS264020 notify: db-admin [at] bgp.net.br changed: db-admin [at] bgp.net.br 20190513 #10:43:29(-03) source: TC last-modified: 2021-05-05T02:07:41Z rpki-ov-state: valid route: 143.0.144.0/23 descr: FAST TELECOM origin: AS264020 mnt-by: MAINT-AS264020 changed: junior [at] routerx.net.br 20200213 source: ALTDB rpki-ov-state: valid route: 143.0.144.0/24 descr: FAST TELECOM origin: AS264020 mnt-by: MAINT-AS264020 changed: junior [at] routerx.net.br 20200213 source: ALTDB rpki-ov-state: valid route: 143.0.145.0/24 descr: FAST TELECOM origin: AS264020 mnt-by: MAINT-AS264020 changed: junior [at] routerx.net.br 20200213 source: ALTDB rpki-ov-state: valid route: 143.0.146.0/23 descr: FAST TELECOM origin: AS264020 mnt-by: MAINT-AS264020 changed: junior [at] routerx.net.br 20200213 source: ALTDB rpki-ov-state: valid route: 143.0.146.0/24 descr: FAST TELECOM origin: AS264020 mnt-by: MAINT-AS264020 changed: junior [at] routerx.net.br 20200213 source: ALTDB rpki-ov-state: valid route: 143.0.147.0/24 descr: FAST TELECOM origin: AS264020 mnt-by: MAINT-AS264020 changed: junior [at] routerx.net.br 20200213 source: ALTDB rpki-ov-state: valid route6: 2804:2988::/32 descr: This is a Commcorp Telecom customer proxy route object that was created because no existing route object with the same origin was found. Please contact noc [at] commcorp.com.br if you have any questions regarding this object. origin: AS264020 mnt-by: MAINT-AS14840 changed: gacosta [at] commcorp.com.br 20200721 source: RADB last-modified: 2023-11-13T16:01:14Z rpki-ov-state: valid route6: 2804:2988::/32 descr: FAST TELECOM origin: AS264020 mnt-by: MAINT-AS264020 changed: junior [at] routerx.net.br 20200213 source: ALTDB rpki-ov-state: valid