These entries are queried from radb.net using whois, you can try my project getting these.
:AS-SIBTEL-TMN as-set: AS-SIBTEL-TMN descr: AS-SET of SIBTEL ltd. members: AS12418 members: AS204298 members: AS31112 members: AS197392 members: AS-PALCOM members: AS35747 tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: SIBTEL created: 2010-08-10T08:03:08Z last-modified: 2018-11-27T10:32:55Z 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: ****************************