AS7018 66.142.200.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204866.142.200.0/2466.142.201.0/2466.142.202.0/2466.142.203.0/2466.142.204.0/2466.142.205.0/2466.142.206.0/2466.142.207.0/24