AS7018 207.104.56.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 2048207.104.56.0/24207.104.57.0/24207.104.58.0/24207.104.59.0/24207.104.60.0/24207.104.61.0/24207.104.62.0/24207.104.63.0/24