AS7018 12.240.0.0/13 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 524286Addressable IPs: 52428812.240.0.0/1612.240.0.0/1612.240.0.0/1612.240.0.0/1612.240.0.0/1612.240.0.0/1612.240.0.0/1612.240.0.0/16