These entries are queried from radb.net using whois, you can try my project getting these.
:AS-LINODE as-set: AS-LINODE descr: Linode LLC 329 E. Jimmie Leeds Road, Suite A Galloway, NJ 08205 USA members: AS63949 members: AS48337 members: AS27228 admin-c: MAINT-LINODE tech-c: MAINT-LINODE mnt-by: MAINT-LINODE changed: tduff [at] linode.com 20200102 #20:09:10Z source: RADB last-modified: 2023-11-13T15:59:35Z