These entries are queried from radb.net using whois, you can try my project getting these.
:AS31504 route: 194.88.220.0/23 descr: SVT-COM Uzhgorod, Ukraine origin: AS31504 mnt-by: Mntr-svt created: 2005-09-30T13:03:52Z last-modified: 2015-11-18T09:28:16Z 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: 195.128.252.0/23 descr: SVT-COM Uzhgorod, Ukraine origin: AS31504 mnt-by: Mntr-svt created: 2004-06-02T08:21:32Z last-modified: 2015-11-18T09:23:06Z 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: not_found # No ROAs found, or RPKI validation not enabled for source