AS7018 12.45.240.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409612.45.240.0/2412.45.241.0/2412.45.242.0/2412.45.243.0/2412.45.244.0/2412.45.245.0/2412.45.246.0/2412.45.247.0/2412.45.248.0/2412.45.249.0/2412.45.250.0/2412.45.251.0/2412.45.252.0/2412.45.253.0/2412.45.254.0/2412.45.255.0/24