AS7018 66.140.200.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204866.140.200.0/2466.140.201.0/2466.140.202.0/2466.140.203.0/2466.140.204.0/2466.140.205.0/2466.140.206.0/2466.140.207.0/24