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