These entries are queried from radb.net using whois, you can try my project getting these.
:AS-NEWMEDIAEXPRESSCHINA as-set: AS-NEWMEDIAEXPRESSCHINA descr: NewMedia Express China AS133219 members: AS133219,AS38001,AS132047,AS132132,AS45477,AS63930,AS131297,AS38532,AS23678,AS45121,AS132033,AS23659,AS56221,AS203391 admin-c: NEPL2-AP tech-c: NEPL2-AP mnt-by: MAINT-AS38001 changed: alan [at] newmediaexpress.com 20210924 #12:40:35Z source: RADB last-modified: 2023-11-13T16:08:14Z