These entries are queried from radb.net using whois, you can try my project getting these.
:AS-TETRA as-set: AS-TETRA descr: ASes routed by Scientifically industrial center "Tetra" members: AS30960 members: AS-SAMTELECOM members: AS-TAHION members: AS-TASCOM members: AS16020 members: AS34034 members: AS38954 members: AS39042 members: AS41748 members: AS-JTCOM members: AS50691 members: AS56506 members: AS197708 members: AS206140 tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: TETRA-MNT created: 2004-06-08T04:54:16Z last-modified: 2022-10-13T14:03:26Z 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: ****************************