These entries are queried from radb.net using whois, you can try my project getting these.
:AS-TESTUA as-set: AS-TESTUA descr: T.E.S.T. Customer ASes members: AS16066 members: AS51943 members: AS42379 members: AS197373 members: AS-CIG members: AS60990 members: AS29130 members: AS47170 members: AS34776 members: AS201920 members: AS31173 members: AS198600 members: AS44390 members: AS35689 members: AS51943 members: AS209213 members: AS197341 members: AS43361 members: AS48644 members: AS208971 admin-c: DUMY-RIPE tech-c: DUMY-RIPE mnt-by: MNT-TESTUA created: 2012-01-31T23:17:52Z last-modified: 2023-08-03T10:39:12Z 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: ****************************