These entries are queried from radb.net using whois, you can try my project getting these.
:AS-GEMNET as-set: AS-GEMNET descr: GEMNET LLC country: MN members: AS9934, AS9484, AS10219, AS9789, AS38038, AS24496, AS24559, AS4850, AS38042, AS38051, AS10076, AS17882, AS38218, AS38454, AS38805, AS38818, AS38273, AS10109, AS38869, AS45237, AS45509, AS17463, AS24302, AS45203, AS45204, AS45923, AS24320, AS24496, AS45237, AS55342, AS55805, AS55801, AS55408, AS55882, AS56194, AS58598, AS58625, AS133177, AS135136, AS135033, AS131240, AS136437, AS141681, AS136936, AS138907, AS134074 tech-c: GA263-AP admin-c: GA263-AP mnt-by: MAINT-GEMNET-MN mnt-lower: MAINT-GEMNET-MN last-modified: 2023-09-26T01:25:15Z source: APNIC as-set: AS-GEMNET descr: AS set for AS45204 GemNet members: AS45204, AS9934, AS9484, AS10219, AS9789, AS38038, AS24496, AS24559, AS4850, AS38042, AS38051, AS38008, AS10076, AS17882, AS38218, AS38454, AS38805, AS38818, AS38273, AS10109, AS38869, AS45237, AS45509, AS17463, AS24302, AS45203, AS45204, AS45923, AS24320, AS24496, AS45237, AS55342, AS55805, AS55801, AS55408, AS55882, AS56194, AS45204, AS58598, AS58625 admin-c: DES3-LEVEL3 tech-c: DES3-LEVEL3 mnt-by: MAINT-GEMNET-MN changed: chiniqua.spearman [at] level3.com 20140918 source: LEVEL3 as-set: AS-GEMNET descr: GEMNET s.r.o. ASes members: AS59479 members: AS56344 tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: GEMNETCZ-MNT created: 2013-08-19T09:49:13Z last-modified: 2017-12-14T11:58:05Z 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-GEMNET descr: AS SET for GEMNET LLC MN members: AS9934,AS10219,AS9789,AS38038,AS56301,AS24496,AS24559,AS4850,AS38042,AS38051,AS10076,AS17882,AS38218,AS38454,AS38805,AS38818,AS38273,AS10109,AS38869,AS45237,AS45509,AS17463,AS24302,AS45203,AS45204,AS131199,AS45923,AS55342,AS24320,AS55805,AS55801,AS55408,AS55882,AS56194,AS56293,AS58439,AS58598,AS58625,AS133177,AS58726,AS58406,AS59354,AS133453,AS63962,AS134074,AS134241,AS135033,AS135136,AS136254,AS18172 tech-c: Ariunbold Khajidsuren notify: ariunbold [at] gemnet.mn mnt-by: MAINT-AS45204 changed: ariunbold [at] gemnet.mn 20191018 #08:43:46Z source: RADB last-modified: 2023-11-13T15:58:32Z