AS28469 216.194.136.0/21 CIDR and IP Range Summary.ASN: 28469 - AT&T Comunicaciones Digitales S de RLHost Count: 2046Addressable IPs: 2048216.194.136.0/24216.194.137.0/24216.194.138.0/24216.194.139.0/24216.194.140.0/24216.194.141.0/24216.194.142.0/24216.194.143.0/24