These entries are queried from radb.net using whois, you can try my project getting these.
:AS33894 route: 37.139.192.0/18 descr: RU-RIKT origin: AS33894 mnt-by: RIKT-MNT created: 2012-03-01T02:52:21Z last-modified: 2012-03-01T02:52:21Z 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: 37.139.254.0/24 origin: AS33894 mnt-by: RIKT-MNT created: 2016-10-27T02:47:03Z last-modified: 2016-10-27T02:47:03Z 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: 109.105.64.0/19 descr: RU-RIKT-20090915 origin: AS33894 mnt-by: RIKT-MNT created: 2009-09-16T00:39:25Z last-modified: 2009-09-16T00:39:25Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route: 212.77.128.0/20 descr: RU-RIKT-20080515 origin: AS33894 mnt-by: RIKT-MNT created: 2008-05-16T04:27:42Z last-modified: 2008-05-16T04:27:42Z 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: 212.77.144.0/20 descr: RU-RIKT-20080930 origin: AS33894 mnt-by: RIKT-MNT created: 2008-09-30T01:48:08Z last-modified: 2008-09-30T01:48:08Z 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: 217.20.64.0/20 descr: RU-RIKT-20090202 origin: AS33894 mnt-by: RIKT-MNT created: 2009-02-03T01:15:59Z last-modified: 2009-02-03T01:15:59Z 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