These entries are queried from radb.net using whois, you can try my project getting these.
:AS49360 route: 31.7.144.0/20 descr: PositivoNet 4 origin: AS49360 mnt-by: mnt-it-positivo-1 created: 2011-11-22T18:22:17Z last-modified: 2020-04-28T16:24:06Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: valid route: 45.90.232.0/22 descr: POSITIVO IP NETWORK ROUTE origin: AS49360 mnt-by: mnt-it-positivo-1 created: 2020-05-04T15:50:34Z last-modified: 2020-05-04T15:50:34Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: valid route: 91.214.72.0/22 descr: Positivo Net1 origin: AS49360 mnt-by: mnt-it-positivo-1 created: 2009-07-08T13:29:50Z last-modified: 2020-04-28T16:24:07Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: valid