AS7018 72.148.8.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204872.148.8.0/2472.148.9.0/2472.148.10.0/2472.148.11.0/2472.148.12.0/2472.148.13.0/2472.148.14.0/2472.148.15.0/24