These entries are queried from radb.net using whois, you can try my project getting these.
:AS-CTHA as-set: AS-CTHA descr: Chinatelecom HeNan Province Network members: AS137687 members: AS55992,AS24137,AS37943,AS56005,AS137687,AS139018,AS139019,AS137686,AS139587 mnt-by: MAINT-AS137687 changed: wuyike.ha [at] chinatelecom.cn 20231010 #07:33:11Z source: RADB last-modified: 2023-11-13T16:18:56Z