These entries are queried from radb.net using whois, you can try my project getting these.
:AS41770 route: 81.28.96.0/20 descr: IMINGO origin: AS41770 remarks: ************************************************ remarks: * For any abuse reports, please send only to * remarks: * abuse [at] imingo.net * remarks: ************************************************ mnt-by: IMINGO-MNT created: 2006-11-02T22:18:52Z last-modified: 2006-11-02T22:18:52Z 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 route6: 2a03:25c0::/32 descr: IMINGO IPv6 origin: AS41770 remarks: ************************************************ remarks: * For any abuse reports, please send only to * remarks: * abuse [at] imingo.net * remarks: ************************************************ mnt-by: IMINGO-MNT created: 2016-07-25T16:48:40Z last-modified: 2016-07-25T16:48:40Z 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