AS7018 204.60.56.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 2048204.60.56.0/24204.60.57.0/24204.60.58.0/24204.60.59.0/24204.60.60.0/24204.60.61.0/24204.60.62.0/24204.60.63.0/24