These entries are queried from radb.net using whois, you can try my project getting these.
:AS51599 route: 91.217.70.0/23 descr: PNP NET origin: AS51599 mnt-by: MNT-PRIMORNEFT created: 2010-10-18T10:24:09Z last-modified: 2010-10-18T10:24:09Z 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: 91.217.70.0/24 descr: PNP NET origin: AS51599 mnt-by: MNT-PRIMORNEFT created: 2010-10-18T10:24:51Z last-modified: 2010-10-18T10:24:51Z 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: 91.217.71.0/24 descr: PNP NET origin: AS51599 mnt-by: MNT-PRIMORNEFT created: 2010-10-18T10:25:03Z last-modified: 2010-10-18T10:25:03Z 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