AS7018 166.194.56.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 2048166.194.56.0/24166.194.57.0/24166.194.58.0/24166.194.59.0/24166.194.60.0/24166.194.61.0/24166.194.62.0/24166.194.63.0/24