These entries are queried from radb.net using whois, you can try my project getting these.
:AS-INTERCONNECT-CZ as-set: AS-INTERCONNECT-CZ descr: ASs propagated by INTERCONNECT s.r.o. members: AS199490 members: AS-PRAGMATEL members: AS25321 tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: MNT-INTERCONNECT-CZ created: 2017-03-24T13:49:18Z last-modified: 2021-09-21T09:52:47Z source: RIPE org: ORG-Is186-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: ****************************