AS7018 107.72.184.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 2048107.72.184.0/24107.72.185.0/24107.72.186.0/24107.72.187.0/24107.72.188.0/24107.72.189.0/24107.72.190.0/24107.72.191.0/24