These entries are queried from radb.net using whois, you can try my project getting these.
:AS-SET-LN as-set: AS-SET-LN descr: LineNet AS list members: AS62410 members: AS47635 members: AS198601 members: AS61435 members: AS49755 tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: MNT-LINENET created: 2016-12-29T11:55:39Z last-modified: 2023-06-02T07:10:49Z 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: ****************************