These entries are queried from radb.net using whois, you can try my project getting these.
:AS-CTSN as-set: AS-CTSN descr: ASes within CT SHANXI province mnt-by: MAINT-AS4835 changed: xapanglili [at] chinatelecom.cn 20201020 #02:35:01Z source: RADB last-modified: 2023-11-13T16:02:40Z