These entries are queried from radb.net using whois, you can try my project getting these.
:AS50576 route: 46.231.228.0/24 origin: AS50576 mnt-by: FREEWAY-MNT created: 2023-11-30T18:49:34Z last-modified: 2023-11-30T18:49:34Z 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