These entries are queried from radb.net using whois, you can try my project getting these.
:AS-YL1123 as-set: as-YL1123 descr: STC Yug-Link members: AS42478 members: AS60865 admin-c: DUMY-RIPE tech-c: DUMY-RIPE created: 2007-06-01T06:39:01Z last-modified: 2017-05-24T14:04:35Z source: RIPE mnt-by: mnt-yuglink mnt-lower: mnt-yuglink 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: ****************************