AS7018 12.38.240.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409612.38.240.0/2412.38.241.0/2412.38.242.0/2412.38.243.0/2412.38.244.0/2412.38.245.0/2412.38.246.0/2412.38.247.0/2412.38.248.0/2412.38.249.0/2412.38.250.0/2412.38.251.0/2412.38.252.0/2412.38.253.0/2412.38.254.0/2412.38.255.0/24