These entries are queried from radb.net using whois, you can try my project getting these.
:AS-FIBERLINK as-set: AS-FIBERLINK descr: Fiberlink route object members: AS198377 members: AS198927 members: AS50767 members: AS57061 members: AS206048 members: AS201027 members: AS43816 members: AS49785 members: AS207500 tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: MNT-SZARANET mnt-by: pl-fiberlink-1-mnt created: 2015-12-12T12:49:32Z last-modified: 2020-06-24T19:35:34Z 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: ****************************