These entries are queried from radb.net using whois, you can try my project getting these.
:AS-IBS as-set: AS-IBS descr: IBS Group Autonomous System members: AS20919 members: AS34207 members: AS35802 members: AS41184 members: AS51297 members: AS44102 members: AS49012 members: AS59640 tech-c: DUMY-RIPE admin-c: DUMY-RIPE notify: noc [at] ibs.ru mnt-by: IBS-MNT-RIPE created: 2002-03-04T13:02:52Z last-modified: 2020-11-03T13:25:49Z 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: **************************** as-set: AS-IBS descr: PT Inti Bangun Sejahtera, mnt-by: MAINT-AS18351 changed: noc [at] media.net.id 20210128 #14:12:24Z source: RADB last-modified: 2023-11-13T16:18:48Z