These entries are queried from radb.net using whois, you can try my project getting these.
:AS207457 route: 5.100.244.0/24 origin: AS207457 mnt-by: ru-attelecom-1-mnt mnt-by: at-telecom-mnt created: 2020-02-05T10:05:48Z last-modified: 2020-02-05T10:05:48Z 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: not_found # No ROAs found, or RPKI validation not enabled for source