These entries are queried from radb.net using whois, you can try my project getting these.
:AS-SITS as-set: AS-SITS descr: SITS AS macro members: AS47379 members: AS34739 members: AS-WESTLAN members: AS57314 members: AS-SET-LN members: AS35129 members: AS49371 members: AS204908 tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: SITSNET-MNT created: 2010-01-12T13:54:02Z last-modified: 2022-07-19T19:09:46Z 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: ****************************