AS7018 72.151.144.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409672.151.144.0/2472.151.145.0/2472.151.146.0/2472.151.147.0/2472.151.148.0/2472.151.149.0/2472.151.150.0/2472.151.151.0/2472.151.152.0/2472.151.153.0/2472.151.154.0/2472.151.155.0/2472.151.156.0/2472.151.157.0/2472.151.158.0/2472.151.159.0/24