These entries are queried from radb.net using whois, you can try my project getting these.
:AS-DMITINC as-set: AS-DMITINC descr: DMIT INC. members: AS906 members: AS54574 members: AS32519 members: AS137929 members: AS-DMITINC-CUS members: AS-DMITINC-CUS-PREMIUM mnt-by: MAINT-AS54574 changed: noc [at] dmit.com 20240319 # 0635Z source: RADB last-modified: 2024-03-19T06:35:48Z