These entries are queried from radb.net using whois, you can try my project getting these.
:AS48429 route: 91.207.246.0/23 descr: usue origin: AS48429 notify: Alex.Evelgarten [at] ural.ru mnt-by: MNT-USUE created: 2009-01-04T08:58:06Z last-modified: 2009-01-04T08:58:06Z 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 route: 91.207.246.0/24 descr: usue origin: AS48429 notify: noc [at] usue.ru mnt-by: MNT-USUE created: 2010-05-18T08:09:22Z last-modified: 2012-12-05T04:27:46Z 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: 91.207.247.0/24 descr: usue origin: AS48429 notify: noc [at] usue.ru mnt-by: MNT-USUE created: 2010-05-18T08:07:54Z last-modified: 2012-12-05T04:29:24Z 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