These entries are queried from radb.net using whois, you can try my project getting these.
:AS42477 route: 81.25.16.0/21 descr: Cerberos MB advertised routes notify: ripe [at] cerberos.cz origin: AS42477 mnt-by: MNT-CERBEROS created: 2007-04-30T09:14:31Z last-modified: 2016-05-23T18:22:01Z 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: 109.234.40.0/21 descr: Cerberos MB advertised routes notify: ripe [at] cerberos.cz origin: AS42477 mnt-by: MNT-CERBEROS created: 2010-01-12T15:15:19Z last-modified: 2016-05-23T18:23:25Z 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 route6: 2a00:1800::/32 descr: Cerberos advertised routes notify: ripe [at] cerberos.cz origin: AS42477 mnt-by: MNT-CERBEROS created: 2009-12-15T15:07:32Z last-modified: 2016-05-23T19:55:13Z 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