AS11712 139.76.224.0/19 CIDR and IP Range Summary.ASN: 11712 - AT&T Services Inc.Host Count: 8190Addressable IPs: 8192139.76.224.0/24139.76.225.0/24139.76.226.0/24139.76.227.0/24139.76.228.0/24139.76.229.0/24139.76.230.0/24139.76.231.0/24139.76.232.0/24139.76.233.0/24139.76.234.0/24139.76.235.0/24139.76.236.0/24139.76.237.0/24139.76.238.0/24139.76.239.0/24139.76.240.0/24139.76.241.0/24139.76.242.0/24139.76.243.0/24139.76.244.0/24139.76.245.0/24139.76.246.0/24139.76.247.0/24139.76.248.0/24139.76.249.0/24139.76.250.0/24139.76.251.0/24139.76.252.0/24139.76.253.0/24139.76.254.0/24139.76.255.0/24