These entries are queried from radb.net using whois, you can try my project getting these.
:AS208604 route: 188.68.6.0/24 descr: PETROVISER LLC. descr: Russia, Tver origin: AS208604 mnt-by: ru-petrovaiser1-mnt created: 2019-07-05T09:27:55Z last-modified: 2023-03-09T12:03:28Z 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