These entries are queried from radb.net using whois, you can try my project getting these.
:AS-CRISTAL-NET as-set: AS-CRISTAL-NET descr: CristalNET AS - customers members: AS48722 members: AS25591 members: AS39047 tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: ru-kozlovalarisa-1-mnt created: 2016-05-20T11:47:06Z last-modified: 2020-06-04T10:53:32Z 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: ****************************