These entries are queried from radb.net using whois, you can try my project getting these.
:AS-CTYN as-set: AS-CTYN descr: ASes within CT YUNNAN province members: AS140345,AS140346,AS140347,AS140348,AS140349,AS140350,AS140351,AS140352,AS140353,AS140354,AS140355,AS140356,AS140357,AS140358,AS140359,AS140360,AS140361 members: AS134765,AS134766 mnt-by: MAINT-AS134766 changed: huangzhiming.yn [at] chinatelecom.cn 20220113 #02:48:45Z source: RADB last-modified: 2023-11-13T16:09:07Z