These entries are queried from radb.net using whois, you can try my project getting these.
:AS-STM-NVR as-set: AS-STM-NVR descr: Service Terminal Media LLC tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: STM-NVR-MNT created: 2016-03-02T14:22:28Z last-modified: 2020-12-24T13:02:41Z source: RIPE members: AS200513 members: AS39264 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: ****************************