These entries are queried from radb.net using whois, you can try my project getting these.
:AS-STRANZIT as-set: AS-STRANZIT descr: STRANZIT customers AS list members: AS25381 members: AS-SKA members: AS-BAIKAL-IX-PEERS tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: SVT-RIPE-MNT created: 2006-08-07T11:44:12Z last-modified: 2023-03-17T08:42:15Z 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: ****************************