AS7018 12.226.240.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409612.226.240.0/2412.226.241.0/2412.226.242.0/2412.226.243.0/2412.226.244.0/2412.226.245.0/2412.226.246.0/2412.226.247.0/2412.226.248.0/2412.226.249.0/2412.226.250.0/2412.226.251.0/2412.226.252.0/2412.226.253.0/2412.226.254.0/2412.226.255.0/24