These entries are queried from radb.net using whois, you can try my project getting these.
:AS-CTANET as-set: AS-CTANET descr: China Telecom Americas members: AS-36678,AS36678 members: AS-CTANET-CUSTOMER mnt-by: MAINT-AS36678 changed: jiangz [at] ctamericas.com 20201019 #02:57:13Z source: RADB last-modified: 2023-11-13T16:02:40Z