These entries are queried from radb.net using whois, you can try my project getting these.
:AS-SETINFOROOM as-set: AS-SETInforoom descr: Inforoom isp as set members: AS48366 tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: Inforoom-mnt created: 2011-04-25T12:42:07Z last-modified: 2021-04-21T13:47:32Z 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: ****************************