These entries are queried from radb.net using whois, you can try my project getting these.
:AS-NETIKOM as-set: AS-NETIKOM members: AS207146:AS-NETIKOM descr: Historical as-set, please use AS207146:AS-NETIKOM instead tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: it-netikom-1-mnt created: 2019-01-15T09:03:05Z last-modified: 2023-02-23T08:34:19Z 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: ****************************