These entries are queried from radb.net using whois, you can try my project getting these.
:AS-FACEBOOK-CORP as-set: AS-FACEBOOK-CORP descr: Facebook Corp members: AS54115 mnt-by: MAINT-AS32934 changed: jj [at] fb.com 20120621 #23:16:50Z source: RADB last-modified: 2023-11-13T15:43:20Z