These entries are queried from radb.net using whois, you can try my project getting these.
:AS51596 route: 176.124.150.0/23 descr: RUSTEKO ltd origin: AS51596 mnt-by: lidertelecom-mnt created: 2012-09-17T08:45:03Z last-modified: 2012-09-17T08:45:03Z 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: 176.124.152.0/21 descr: RUSTEKO ltd origin: AS51596 mnt-by: lidertelecom-mnt created: 2012-09-17T08:44:30Z last-modified: 2012-09-17T08:44:30Z 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: 178.213.144.0/21 descr: Rusteko infrastructure origin: AS51596 mnt-by: RUSTEKO-MNT mnt-lower: RUSTEKO-MNT mnt-routes: RUSTEKO-MNT created: 2011-03-18T12:43:11Z last-modified: 2011-03-18T12:43:11Z 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