AS7018 66.136.32.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204866.136.32.0/2466.136.33.0/2466.136.34.0/2466.136.35.0/2466.136.36.0/2466.136.37.0/2466.136.38.0/2466.136.39.0/24