These entries are queried from radb.net using whois, you can try my project getting these.
:AS-CTB-WCA as-set: AS-CTB-WCA descr: CTB's customer, AS266625 members: AS266625 mnt-by: MAINT-AS36678 changed: liuyong [at] ctamericas.com 20231013 #19:24:05Z source: RADB last-modified: 2023-11-13T16:19:00Z