These entries are queried from radb.net using whois, you can try my project getting these.
:AS-CTB-MEGALINK as-set: AS-CTB-MEGALINK descr: CTB's customer, AS52944 members: AS52944 mnt-by: MAINT-AS36678 changed: liuyong [at] ctamericas.com 20231013 #19:27:07Z source: RADB last-modified: 2023-11-13T16:19:00Z