These entries are queried from radb.net using whois, you can try my project getting these.
:AS51388 route: 31.135.216.0/21 descr: Marsatas origin: AS51388 mnt-by: AS8764-MNT created: 2011-06-30T11:55:57Z last-modified: 2011-06-30T11:55:57Z 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: 84.32.144.0/22 descr: NTT data route for Marsatas partner origin: AS51388 mnt-by: MNT-NTT-LIR created: 2010-09-23T13:30:35Z last-modified: 2010-09-23T13:30:35Z 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: valid route: 88.216.48.0/21 descr: NTT-DATA origin: AS51388 mnt-by: MNT-NTT-LIR created: 2010-09-23T13:29:42Z last-modified: 2010-09-23T13:29:42Z 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: valid route: 91.230.12.0/22 descr: Marsatas origin: AS51388 mnt-by: AS8764-MNT created: 2011-06-30T11:52:16Z last-modified: 2011-06-30T11:52:16Z 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