These entries are queried from radb.net using whois, you can try my project getting these.
:AS57757 route6: 2a0e:4480::/32 origin: AS57757 mnt-by: mnt-ch-jonas-1 created: 2019-10-09T06:40:41Z last-modified: 2019-10-09T06:40:41Z 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