These entries are queried from radb.net using whois, you can try my project getting these.
:AS42515 route: 77.73.56.0/21 descr: Network ACIINFORMATICA origin: AS42515 mnt-by: MNT-ACI created: 2007-07-04T14:09:05Z last-modified: 2007-07-04T14:09:05Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route: 185.39.188.0/22 descr: Network ACIINFORMATICA origin: AS42515 mnt-by: MNT-ACI created: 2013-11-07T15:50:19Z last-modified: 2013-11-07T15:50:19Z 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: not_found # No ROAs found, or RPKI validation not enabled for source