These entries are queried from radb.net using whois, you can try my project getting these.
:AS39553 route: 193.33.49.0/24 origin: AS39553 mnt-by: mnt-uk-blueprint-1 created: 2020-04-24T10:04:57Z last-modified: 2020-07-06T20:41:43Z 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