These entries are queried from radb.net using whois, you can try my project getting these.
:AS399490 route: 139.104.10.0/24 origin: AS399490 descr: THE WALT DISNEY COMPANY ARGENTINA S.A member-of: RS-AS399490-DISNEY mnt-by: MAINT-AS11664 changed: ing.clientes [at] claro.com.ar 20210329 #22:21:35Z source: RADB last-modified: 2023-11-13T16:05:27Z rpki-ov-state: valid