AS7018 75.7.72.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204875.7.72.0/2475.7.73.0/2475.7.74.0/2475.7.75.0/2475.7.76.0/2475.7.77.0/2475.7.78.0/2475.7.79.0/24