These entries are queried from radb.net using whois, you can try my project getting these.
:AS-RTTCOM as-set: AS-RTTCOM descr: AS-SET Internet Service Center LTD tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: MNT-ISC created: 2015-12-15T19:20:38Z last-modified: 2022-02-11T22:57:36Z source: RIPE members: AS200634 members: AS203922 members: AS48320 members: AS34771 members: AS49502 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: ****************************