These entries are queried from radb.net using whois, you can try my project getting these.
:AS-ITMEDIA as-set: AS-ITMEDIA descr: ITMEDIA as-set members: AS34312 members: AS24726 members: AS-UKRBIT members: AS41501 members: AS20971 admin-c: DUMY-RIPE tech-c: DUMY-RIPE mnt-by: ARM-MNT created: 2007-10-16T11:13:10Z last-modified: 2020-10-23T13:20:42Z 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: ****************************