These entries are queried from radb.net using whois, you can try my project getting these.
:AS197357 route: 91.220.63.0/24 descr: Chrominance S.R.L origin: AS197357 mnt-by: CHROMINANCE-MNT created: 2011-03-02T21:17:19Z last-modified: 2015-01-26T11:10:58Z 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: 2001:67c:a70::/48 origin: AS197357 mnt-by: CHROMINANCE-RO-MNT created: 2022-08-02T20:37:15Z last-modified: 2022-08-10T12:34:59Z 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