These entries are queried from radb.net using whois, you can try my project getting these.
:AS12290 route: 82.138.248.0/21 descr: Exonetric origin: AS12290 mnt-by: GRIFFIN-NOC created: 2003-10-19T21:17:10Z last-modified: 2011-12-28T06:53:07Z 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: 178.250.72.0/21 descr: Exonetric Consulting Ltd origin: AS12290 mnt-by: AS12290-MNT created: 2010-06-15T11:45:47Z last-modified: 2019-02-10T18:48:42Z 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 route6: 2a02:1658::/32 descr: Exonetric Consulting Ltd origin: AS12290 mnt-by: NETSUMO-MNT mnt-by: AS12290-MNT created: 2012-02-08T11:43:48Z last-modified: 2012-02-08T11:43:48Z 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