These entries are queried from radb.net using whois, you can try my project getting these.
:AS33462 route: 209.23.207.0/24 descr: AS33462-AER origin: AS33462 mnt-by: MAINT-AS27506 changed: dataoperations [at] rcnmetro.com 20101222 #14:41:49Z source: RADB last-modified: 2023-11-13T15:42:43Z rpki-ov-state: valid